The `method_source` is a utility to return a method's sourcecode as a Ruby string. Also returns `Proc` and `Lambda` sourcecode.

Method comments can also be extracted using the `comment` method.

It is written in pure Ruby (no C). - Some Ruby 1.8 support now available. - Support for MRI, RBX, JRuby, REE

`method_source` provides the `source` and `comment` methods to the `Method` and `UnboundMethod` and `Proc` classes.