Pyspeakng

Release Notes
- Adds input validation and/or type checking on parameters passed to eSpeak-NG.
- Corrects previous version's enclosure of all strings in eSpeak-NG's phonetic bracket markers `[[` `]]`.

**Full Changelog**: https://github.com/davidelambert/pySpeakNG/compare/0.1.1...0.1.2

First public release.