First implementation of arguments object.
First implementation of the first pass.
Merge pull request #1 from tshull226/master

My work so far on implementing the semantics
Merge pull request #2 from jray319/master

"arguments" object and the first pass
Updated the first pass.
(1) Support comma-separted variable declarations with strictness.
(2) Support block with strictness.
TODO: CaseBlock
Merge pull request #3 from jray319/master

Updated the first pass.
working on incorporating builtins into the code