Add themis/option.vim and move themis#default_options() to themis#option#default()
Add themis#option#empty_options()
Add themis#option()
Improve themis#option()
Add default commandline option for the test of themis
Improve themis#option()
Finish "Add .themisrc file feature"
Return helper directly
Add --version to help
Add some test for assert-helper
Fix assert-helper
Add test for autoload/themis/option.vim