diff --git a/.gitignore b/.gitignore
index 398dd2eb75e30b62440da649177e8e5a1960e1d4..67d5d78d3d3d86a0b9d601a3d9ccc9354f472e2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
-src/newcrawler.egg-info/
\ No newline at end of file
+src/newcrawler.egg-info/
+unittests/provenance.yml
+.coverage
+TAGS
+src/.coverage
\ No newline at end of file
diff --git a/unittests/provenance.yml b/unittests/provenance.yml
deleted file mode 100644
index 97bd89aa2beed078c099252156c27ed970282eed..0000000000000000000000000000000000000000
--- a/unittests/provenance.yml
+++ /dev/null
@@ -1,456 +0,0 @@
-provenance:
-  Project_1:
-    date:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight
-      converters_path: DataAnalysis/project_dir
-    identifier:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight
-      converters_path: DataAnalysis/project_dir
-  Measurement_1:
-    date:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp
-      converters_path: DataAnalysis/project_dir/measurement
-    identifier:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp
-      converters_path: DataAnalysis/project_dir/measurement
-    project:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp
-      converters_path: DataAnalysis/project_dir/measurement
-    responsible:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp/README.md/description
-      converters_path: DataAnalysis/project_dir/measurement/README/description
-  Person_1:
-    first_name:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-  Measurement_2:
-    date:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr
-      converters_path: DataAnalysis/project_dir/measurement
-    identifier:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr
-      converters_path: DataAnalysis/project_dir/measurement
-    project:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr
-      converters_path: DataAnalysis/project_dir/measurement
-    responsible:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr/README.md/description
-      converters_path: DataAnalysis/project_dir/measurement/README/description
-  Person_2:
-    first_name:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-  Project_2:
-    date:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict
-      converters_path: DataAnalysis/project_dir
-    identifier:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict
-      converters_path: DataAnalysis/project_dir
-  Measurement_3:
-    date:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors
-      converters_path: DataAnalysis/project_dir/measurement
-    identifier:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors
-      converters_path: DataAnalysis/project_dir/measurement
-    project:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors
-      converters_path: DataAnalysis/project_dir/measurement
-    responsible:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors/README.md/description
-      converters_path: DataAnalysis/project_dir/measurement/README/description
-  Person_3:
-    first_name:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors/README.md/responsible
-      converters_path: DataAnalysis/project_dir/measurement/README/responsible_single
-  Project_3:
-    date:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight
-      converters_path: ExperimentalData/project_dir
-    identifier:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight
-      converters_path: ExperimentalData/project_dir
-  Measurement_4:
-    date:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight
-      converters_path: ExperimentalData/project_dir/measurement
-    identifier:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight
-      converters_path: ExperimentalData/project_dir/measurement
-    project:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight
-      converters_path: ExperimentalData/project_dir/measurement
-    responsible:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    description:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight/README.md/description
-      converters_path: ExperimentalData/project_dir/measurement/README/description
-  Person_4:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight/README.md/responsible/0
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    last_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight/README.md/responsible/0
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  Person_5:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    last_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  Measurement_5:
-    date:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity
-      converters_path: ExperimentalData/project_dir/measurement
-    identifier:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity
-      converters_path: ExperimentalData/project_dir/measurement
-    project:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity
-      converters_path: ExperimentalData/project_dir/measurement
-    responsible:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    description:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity/README.md/description
-      converters_path: ExperimentalData/project_dir/measurement/README/description
-  Person_6:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity/README.md/responsible/0
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    last_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity/README.md/responsible/0
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  Person_7:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    last_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  Measurement_6:
-    date:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03
-      converters_path: ExperimentalData/project_dir/measurement
-    identifier:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03
-      converters_path: ExperimentalData/project_dir/measurement
-    project:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03
-      converters_path: ExperimentalData/project_dir/measurement
-    responsible:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    description:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03/README.md/description
-      converters_path: ExperimentalData/project_dir/measurement/README/description
-  Person_8:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03/README.md/responsible/0
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    last_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03/README.md/responsible/0
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  Person_9:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-    last_name:
-      structure_elements_path: ExperimentalData/2020_SpeedOfLight/2020-01-03/README.md/responsible/1
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  Project_4:
-    date:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict
-      converters_path: ExperimentalData/project_dir
-    identifier:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict
-      converters_path: ExperimentalData/project_dir
-  Measurement_7:
-    date:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1980-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    identifier:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1980-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    project:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1980-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    responsible:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1980-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1980-01-01/README.md/description
-      converters_path: ExperimentalData/project_dir/measurement/README/description
-  Person_10:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1980-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1980-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-  Measurement_8:
-    date:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1990-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    identifier:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1990-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    project:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1990-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    responsible:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1990-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1990-01-01/README.md/description
-      converters_path: ExperimentalData/project_dir/measurement/README/description
-  Person_11:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1990-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/1990-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-  Measurement_9:
-    date:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2000-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    identifier:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2000-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    project:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2000-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    responsible:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2000-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2000-01-01/README.md/description
-      converters_path: ExperimentalData/project_dir/measurement/README/description
-  Person_12:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2000-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2000-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-  Measurement_10:
-    date:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2010-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    identifier:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2010-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    project:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2010-01-01
-      converters_path: ExperimentalData/project_dir/measurement
-    responsible:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2010-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2010-01-01/README.md/description
-      converters_path: ExperimentalData/project_dir/measurement/README/description
-  Person_13:
-    first_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2010-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: ExperimentalData/2020_climate-model-predict/2010-01-01/README.md/responsible
-      converters_path: ExperimentalData/project_dir/measurement/README/responsible_single
-  Project_5:
-    date:
-      structure_elements_path: SimulationData/2020_climate-model-predict
-      converters_path: SimulationData/project_dir
-    identifier:
-      structure_elements_path: SimulationData/2020_climate-model-predict
-      converters_path: SimulationData/project_dir
-  Measurement_11:
-    date:
-      structure_elements_path: SimulationData/2020_climate-model-predict/2020-02-01
-      converters_path: SimulationData/project_dir/measurement
-    identifier:
-      structure_elements_path: SimulationData/2020_climate-model-predict/2020-02-01
-      converters_path: SimulationData/project_dir/measurement
-    project:
-      structure_elements_path: SimulationData/2020_climate-model-predict/2020-02-01
-      converters_path: SimulationData/project_dir/measurement
-    responsible:
-      structure_elements_path: SimulationData/2020_climate-model-predict/2020-02-01/README.md/responsible
-      converters_path: SimulationData/project_dir/measurement/README/responsible_single
-    description:
-      structure_elements_path: SimulationData/2020_climate-model-predict/2020-02-01/README.md/description
-      converters_path: SimulationData/project_dir/measurement/README/description
-  Person_14:
-    first_name:
-      structure_elements_path: SimulationData/2020_climate-model-predict/2020-02-01/README.md/responsible
-      converters_path: SimulationData/project_dir/measurement/README/responsible_single
-    last_name:
-      structure_elements_path: SimulationData/2020_climate-model-predict/2020-02-01/README.md/responsible
-      converters_path: SimulationData/project_dir/measurement/README/responsible_single
-usage:
-  ? 'newcrawler.structure_elements.Directory: DataAnalysis, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis'
-  : DataAnalysis
-  ? 'newcrawler.structure_elements.Directory: 2020_SpeedOfLight, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_SpeedOfLight'
-  : DataAnalysis/project_dir
-  ? 'newcrawler.structure_elements.Directory: 2020-01-04_average-all-exp, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp'
-  : DataAnalysis/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_SpeedOfLight/2020-01-04_average-all-exp/README.md'
-  : DataAnalysis/project_dir/measurement/README
-  responsible: ExperimentalData/project_dir/measurement/README/responsible_single,
-    SimulationData/project_dir/measurement/README/responsible_single, ExperimentalData/project_dir/measurement/README/responsible_list,
-    DataAnalysis/project_dir/measurement/README/responsible_single
-  description: DataAnalysis/project_dir/measurement/README/description, ExperimentalData/project_dir/measurement/README/description,
-    SimulationData/project_dir/measurement/README/description
-  ? 'newcrawler.structure_elements.Directory: 2020-01-05_average-all-exp-corr, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr'
-  : DataAnalysis/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_SpeedOfLight/2020-01-05_average-all-exp-corr/README.md'
-  : DataAnalysis/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: 2020_climate-model-predict, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_climate-model-predict'
-  : DataAnalysis/project_dir
-  ? 'newcrawler.structure_elements.Directory: 2020-02-08_prediction-errors, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors'
-  : DataAnalysis/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/DataAnalysis/2020_climate-model-predict/2020-02-08_prediction-errors/README.md'
-  : DataAnalysis/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: ExperimentalData, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData'
-  : ExperimentalData
-  ? 'newcrawler.structure_elements.Directory: 2020_SpeedOfLight, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_SpeedOfLight'
-  : ExperimentalData/project_dir
-  ? 'newcrawler.structure_elements.Directory: 2020-01-01_TimeOfFlight, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight'
-  : ExperimentalData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_SpeedOfLight/2020-01-01_TimeOfFlight/README.md'
-  : ExperimentalData/project_dir/measurement/README
-  '0': ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  '1': ExperimentalData/project_dir/measurement/README/responsible_list/Person
-  ? 'newcrawler.structure_elements.Directory: 2020-01-02_Cavity, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity'
-  : ExperimentalData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_SpeedOfLight/2020-01-02_Cavity/README.md'
-  : ExperimentalData/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: 2020-01-03, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_SpeedOfLight/2020-01-03'
-  : ExperimentalData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_SpeedOfLight/2020-01-03/README.md'
-  : ExperimentalData/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: 2020_climate-model-predict, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict'
-  : ExperimentalData/project_dir
-  ? 'newcrawler.structure_elements.Directory: 1980-01-01, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/1980-01-01'
-  : ExperimentalData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/1980-01-01/README.md'
-  : ExperimentalData/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: 1990-01-01, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/1990-01-01'
-  : ExperimentalData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/1990-01-01/README.md'
-  : ExperimentalData/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: 2000-01-01, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/2000-01-01'
-  : ExperimentalData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/2000-01-01/README.md'
-  : ExperimentalData/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: 2010-01-01, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/2010-01-01'
-  : ExperimentalData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/ExperimentalData/2020_climate-model-predict/2010-01-01/README.md'
-  : ExperimentalData/project_dir/measurement/README
-  ? 'newcrawler.structure_elements.Directory: SimulationData, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/SimulationData'
-  : SimulationData
-  ? 'newcrawler.structure_elements.Directory: 2020_climate-model-predict, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/SimulationData/2020_climate-model-predict'
-  : SimulationData/project_dir
-  ? 'newcrawler.structure_elements.Directory: 2020-02-01, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/SimulationData/2020_climate-model-predict/2020-02-01'
-  : SimulationData/project_dir/measurement
-  ? 'newcrawler.structure_elements.File: README.md, /home/salexan/Projekte/CaosDB/caosdb-newcrawler/tests/test_directories/examples_article/SimulationData/2020_climate-model-predict/2020-02-01/README.md'
-  : SimulationData/project_dir/measurement/README
-converters_usage:
-- DataAnalysis:
-    usage: ''
-    subtree:
-      project_dir:
-        usage: Project_1, Project_2
-        subtree:
-          measurement:
-            usage: Measurement_1, Measurement_2, Measurement_3
-            subtree:
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-                usage: ''
-                subtree:
-                  description:
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-                    subtree: {}
-                  responsible_single:
-                    usage: Measurement_1, Measurement_2, Person_1, Measurement_3,
-                      Person_2, Person_3
-                    subtree: {}
-                  responsible_list:
-                    usage: ''
-                    subtree:
-                      Person:
-                        usage: ''
-                        subtree: {}
-- ExperimentalData:
-    usage: ''
-    subtree:
-      project_dir:
-        usage: Project_4, Project_3
-        subtree:
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-            usage: Measurement_5, Measurement_8, Measurement_6, Measurement_4, Measurement_7,
-              Measurement_9, Measurement_10
-            subtree:
-              README:
-                usage: ''
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-                  responsible_single:
-                    usage: Measurement_8, Person_12, Person_11, Person_13, Measurement_7,
-                      Person_10, Measurement_9, Measurement_10
-                    subtree: {}
-                  responsible_list:
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-                    subtree:
-                      Person:
-                        usage: Person_5, Person_4, Measurement_5, Person_9, Person_8,
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-                        subtree: {}
-- SimulationData:
-    usage: ''
-    subtree:
-      project_dir:
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-                  responsible_single:
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-                  responsible_list:
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