Fixed operator precedence according the specs.
Fixed operator precedence according the specs.
Fixed escaped chars in char class.

Let `RegularExpressionClassChar` also match `RegularExpressionBackslashSequence`.
Fixed escaped chars in char class.

Let `RegularExpressionClassChar` also match `RegularExpressionBackslashSequence`.
Merge pull request #130 from bkiers/patch-1

Fixed operator precedence in both the Java and CS grammars.