0.5.0

• aggregate, date, and other functions
• improved .gitignore support
• minor improvements

0.4.5

• is_shebang
• more detailed usage info on run w/o parameters
• #30 improved .gitignore support
• #31 symbol escaping with backslash in unquoted string parameters

Thanks @Ami44 and @EthanTheMaster for suggestions and pull requests!

0.4.4

• bugfixes

0.4.3

• let usage of arbitrary strings as columns
• fix bugs