Changing static methods by class methods
Fixing allowed types in sql_args
Implementation of the BaseData class and RawData class create and is_submitted_to_insdc methods, as well as adding their tests
Adding util functions for checking table existance
Adding an extra test case
Adding PreprocessedData class creation and its tests
Adapting date format
Merge branch 'master' of github.com:qiime/QiiTa into data_obj
Merge branch 'master' of github.com:qiime/QiiTa into data_obj
Adding get_filepaths functionality and tests
Fix typo
Adding some documentation
Merging master
Removing partially added delete code since we are referring its implementation
Solving merge conflicts
fixing some tests
Solving merge conflicts
Fixing tests due to merging upstream
Adding get_db_files_base_dir function to util
Creating controlled directory for db files as discussed with @adamrp