fixed a bug that could have causes alot of headache  in the future
Updated interpreter.py to first interpret input when a ';' ends a line
fixed raise/return coding fail in interpreter.py
Merge branch 'patch-1' of https://github.com/Benjipede/lambscript into Benjipede-patch-1
Fixed Benjamin's patch
projecteuler problem 2
commited broken stuff in lists.ls