getting started on sast
start of sast, currently broken
simplify retrieving ID's
fix var reassign test
fix ast -> sast translation

just need tests now
fix var reassign check and add tests
separate AST types from printer methods
improve printability of SAST
generate basic variable declarations & assigns
add println support for SAST and Gen
add compiler testing for printing tests
add testing README
tidying up
Merge pull request #58 from rapid-lang/gen

Gen variable code