Don't emit invalid MLHS child mutation
Merge pull request #136 from lgierth/empty-mlhs

Empty MLHS: SyntaxError
Cleanup constants
Simplify guard statement
Bump version to 0.3.0.rc5
Add missing encoding statements
Adjust flay score
Remove useless interpolation
Deduplicate calls to Mutator.identity
Bump version to 0.3.0