making engine support other jvm languages
adding support for groovy
adding groovy support and intro koan
moving AboutGroovy
simplifying argument inference, adding clear ArgumentType
fixing issues w/ argument inference
missed an unnecessary println
removing AboutGroovy, was POC code
missing data dir from scripts added back
issue 34 (.sh/.bat) and fix running from outside sh/bat directory
Clear now tells you when it cant delete
Clear shouldn't always throw exceptions
updating README
Added missing import statement
Whitespace cleanup
Whitespace cleanup
Whitespace cleanup
Whitespace cleanup
Whitespace cleanup
Whitespace cleanup