Add support for some literals and assignments
Add support for global variable access
Add support for nth_ref
Add support for global variable assignment
Add support for simple multiple assignments
Add support for $` (back_ref)
Add support for scoped and toplevel constant access
Organize namespace nesting
Break up large into class specific files
Add support for dynamic execute strings
Add non 1.8 splat in array support
Improve cross ruby version specs
Improve dynamic literals
Add missing YARD-coverage
Deduplicate array/hash emitters

Also adjust flay score
Fix reek reported smells

Mostly IrresponsibleModule, nothing major.
Adjust flay score
Add xstring edge case
Simplify generation example
Add support for send nodes