adding docs to IncludeParameters
observing and not intercepting
creating new IncludeParameterEvent
using plural on event name
fixing tests and renaming event
renaming IncludeParametersEvent to ReadyToExecuteMethod
adding if condition inside ParameterIncluder
Merge pull request #251 from caelum/ParameterIncluderObservingInsteadOfIntercepting

ParameterIncluder are now observing instead of intercepting