ensure regexes match the end of the string
Use the =~ Regular Expression matching operator
Rather than sub-process, echo, pipe, grep
http://tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF
- Ensure regexes match the end of the string
- Use the =~ Regular Expression matching operator
  Rather than sub-process, echo, pipe, grep
  http://tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF
- Comment re pngquant creating new file if file ext is uppercase
ImageOptimRunning variable
Start ImageOptim if it is not already running.
see https://github.com/pornel/ImageOptim/issues/24
The first file to be added is not processed if ImageOptim
is not already running
Merge branch 'working' of github.com:jamesstout/ImageOptim-CLI into jamesstout-working

* 'working' of github.com:jamesstout/ImageOptim-CLI:
  - Ensure regexes match the end of the string - Use the =~ Regular Expression matching operator   Rather than sub-process, echo, pipe, grep   http://tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF - Comment re pngquant creating new file if file ext is uppercase
  Use the =~ Regular Expression matching operator Rather than sub-process, echo, pipe, grep http://tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF
  ensure regexes match the end of the string
apply comment from binary to src file
Merge branch 'develop' into jamesstout-fixImageOptimRunning

* develop:
  apply comment from binary to src file
  - Ensure regexes match the end of the string - Use the =~ Regular Expression matching operator   Rather than sub-process, echo, pipe, grep   http://tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF - Comment re pngquant creating new file if file ext is uppercase
  Use the =~ Regular Expression matching operator Rather than sub-process, echo, pipe, grep http://tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF
  ensure regexes match the end of the string
renamed ImageOptimRunning to imageOptimIsRunning
1.6.17
alternative fix for #31
1.6.18