changes to make SimpleGenerativeHypothesis take function data
fixes to SimpleGenerativeHypothesis
Merge branch 'master' of https://github.com/piantado/LOTlib

Conflicts:
	LOTlib/Examples/NumberGame/Grammar.py
	LOTlib/Examples/SymbolicRegression/__init__.pyc
	LOTlib/Examples/__init__.pyc
Mostly reformatting things.