grouped expr in expr builder, added most of the expr, grouped some tests
dried up some code
added if_else
added some of the types, testing is not working
added equal, int op, int size equality op, shift
bool test for and/or
fixed a typo in resolve_type
made the tests restore the alloy exe mode after completion
sum is not working
Merge branch 'ido' of https://github.com/aleksandarmilicevic/arby into ido
added/fixed test_sum_op
transpose
Merge branch 'ido' of https://github.com/aleksandarmilicevic/arby into ido
removed some binding.pry
Merge branch 'exp' into ido
no binding.pry
fixed transpose test
transpose
transpose is working
replaces some operations in expr.rb with calls to ExprBuilder