Gather all keys of all dictionaries when don't specify items
Modify docstrings
Refine docstring of table.py in #54.
Fixed docstring of table.py in #54.
Change table format according to rst.(#54)
Update documents.
Change path of developer.md.
Update developer.md

fix typo
Update README.md

fix link
Add test of dataprocessor/utility.py and docstring of copy_file.
Fix keyword name `silent` > `strategy` #62
Merge pull request #66 from termoshtt/validate_link_bug_fix

Hot fix about validate_link
Merge branch 'master' into v2.1
Merge pull request #62 from kenbeese/add-docstring-and-test

Add test of dataprocessor/utility.py and docstring of copy_file.
Update table.py

fix typo
Merge pull request #61 from kenbeese/documents

Add documents of internal data structure
Merge pull request #54.
Merge branch 'v2.1' into check_unique