run shuold return the result of the given command.
Allow to check and raise error on unknown options.
Remove deprecated stuff.
Bump to 0.12.4.
No need to read the file twice.
Yield the filename on directories.
Bump tiny with rake compatibility layer.
Do not autogenerate aliases to avoid conflicts in the invocation system.
thor help can show information about any class or any task.
More documentation and specs on hash with magic predicates.
Some code refactoring and removing Runner logic from Thor class.