WIP: String IDs

.../database/backend/implementation/MySQL/DatabaseUtils.java

...end/implementation/MySQL/MySQLDeleteEntityProperties.java

...backend/implementation/MySQL/MySQLDeleteSparseEntity.java

...tabase/backend/implementation/MySQL/MySQLGetChildren.java

...ckend/implementation/MySQL/MySQLGetDependentEntities.java

...ackend/implementation/MySQL/MySQLGetFileRecordByPath.java

...ckend/implementation/MySQL/MySQLInsertEntityDatatype.java

...end/implementation/MySQL/MySQLInsertEntityProperties.java

...base/backend/implementation/MySQL/MySQLInsertParents.java

...backend/implementation/MySQL/MySQLInsertSparseEntity.java

...d/implementation/MySQL/MySQLInsertTransactionHistory.java

...database/backend/implementation/MySQL/MySQLIsSubType.java

.../implementation/MySQL/MySQLRetrieveAllUncheckedFiles.java

.../backend/implementation/MySQL/MySQLRetrieveEntityACL.java

...se/backend/implementation/MySQL/MySQLRetrieveParents.java

...backend/implementation/MySQL/MySQLRetrieveProperties.java

...mentation/MySQL/MySQLRetrieveQueryTemplateDefinition.java

...ckend/implementation/MySQL/MySQLRetrieveSparseEntity.java

...end/implementation/MySQL/MySQLRetrieveVersionHistory.java

...mplementation/MySQL/MySQLSetFileCheckedTimestampImpl.java