Kill unused functions
Use accept for all compiler traversal
Fix whitespace
Add strip token parsing to lexer
Wrap AST nodes in strip opcodes if defined
Load strip flags from lex stream
Defer content output

Allows for stripping of the content after the fact.
Implement strip opcode
Remove unused var
Simplify inverse only block case
Improve uglify compression
Merge branch 'master' into whitespace-control
Rebuild