Compliancy fixes for String#chars
Compliancy fixes for String#to_f
Add proper String cloning
Move to String specs from RubySpec
Move out taint filters from String bugs
Move out to unsupported more filters from String bugs
Add missing filters
Initial commit for parser tokens to store col, line info

Conflicts:
	spec/opal/rubyspec
Parser tokens initial commit
Handle a lot more sexp constructions
Fix block args merging into sexps
Fix some more sexp with location info
Fix remaining sexp constructors
Fix some more edge case bugs
Fix handling of s(:next) with multiple values
Fix multiple args for break statements
Fix handling of string parts in bare-words arrays
Refactor s(:next) and s(:while) sexp construction
Fix bug in nth_ref secp creation
Adjust specs for parsing module names