Method signatureForReturnValue in VMDInstrumenter
Merge branch 'master' of https://github.com/vittoriom/VMInstrumenter

Conflicts:
	VMInstrumenter/VMDInstrumenter.m
Fixed build issue with method prototypes
Closes #2 without float and double cases
Closes #6 and sets the path for multiple parameters
Updated tests for return values, primitive and objects
Some progress
One argument methods now work
Closes #4
Updated tests, now have to fix a new issue with self not being properly initialized when instrumenting selectors with more than one parameter
Closes #9 but still have to do a cleanup
Just moved out of the blocks some code and tagged with pragma class sections
Closes #10
Minor refactoring