fixed bug with recursion in Comma.eval()
minor
added -l to limit recursion depth in python interpreter
new file:   tests/bugz/rec_func.ls
index on (no branch): 5b7e66f new file:   tests/bugz/rec_func.ls
WIP on (no branch): 5b7e66f new file:   tests/bugz/rec_func.ls
Merge commit '133757b'

Conflicts:
	.gitignore
	interpreter.py