This merge should resolve #156 and #160

CHANGELOG.md

misc/revision_test_data.py

src/core/js/caosdb.js

src/core/js/ext_revisions.js

src/core/js/ext_xls_download.js

src/core/js/webcaosdb.js

src/core/xsl/entity.xsl

src/core/xsl/main.xsl

test/core/index.html

test/core/js/modules/caosdb.js.js

test/core/js/modules/common.xsl.js

test/core/js/modules/entity.xsl.js

test/core/js/modules/ext_revisions.js.js

test/core/js/modules/ext_xls_download.js.js

test/core/js/modules/navbar.xsl.js

test/core/js/modules/query.xsl.js

test/core/js/modules/webcaosdb.js.js