Remove no longer existent wrapper for variable names
Separate variable definitions from other expressions so that a blocks no longer overlap with parentheses
Rename to avoid parse error on `eq` and `seq`: this is strange since they are not keywords
Extend SIMPLE to support local functions via lambda lifting; the next is to test capturing and fixing
simplified code by Yi for lambda lifting
Merge branch 'locfun'

Conflicts:
	rascal/src/lang/simple/NameRel.rsc
	rascal/src/lang/simple/Pretty.rsc