Adding bitwise and
Merge branch 'master' of github.com:UCSD-PL/RefScript
Merge branch 'master' of github.com:UCSD-PL/RefScript

Conflicts:
	ext/tsc-bin/built/local/tsc.js
	src/Language/Nano/Program.hs
	src/Language/Nano/Typecheck/Types.hs