Implements working if statements in cOOre
Add sc to common.ml
Add else-statement
adds while and fixed tabbing in AST
Merge branch 'if-while-for' of https://github.com/samuel02/RTFM into if-while-for
Use String.concat rather than myconcat
Merge branch 'if-while-for' of github.com:samuel02/RTFM into if-while-for

# By Björn Nilsson
# Via Björn Nilsson
* 'if-while-for' of github.com:samuel02/RTFM:
  adds while and fixed tabbing in AST

Conflicts:
	RTFM-cOOre-compiler/src/AST.ml
	RTFM-cOOre-compiler/src/CoreGen.ml
	RTFM-cOOre-compiler/src/Parser.mly
Fix merge failures
added comparing with != == <= and >=
Replace mymap with List.map
fixed merge conflicts
Fixed merging bugs
Merge branch 'if-while-for' of https://github.com/samuel02/RTFM into if-while-for
Return unmatched statement
Remove unneccesary exceptions
Removes raising of UnMatched in CoreGen.ml
Merge pull request #13 from samuel02/if-while-for

If-while-for in cOOre