increase delay for JPEGmini/Finder to resolve file system paths
harden handling of floats, ints, reals. refs #51
run pngquant on 8 cores in parallel when operating on a directory, refs #52
create temp directory for managing files
check availability of Apps and GUI scripting
run applications if enabled in command line options
simplify src structure
npm ignore Gruntfile
validate --directory value
correct path to applescript lib
apply normalisation of localised numbers, refs #51
wait for JPEGmini to use 0 CPU 3 times consecutively rather than 1, refs #54
1.6.23
use $TMPDIR instead of arbitrary directory
fix how temp directory write permissions are set
use extended RegExp to enable support for | in -iregex
separate bash functions into an imported library we can test
1. take code to ingest command line arguments out of the bash library.
2. interpolate data into the bash library when building.
add shUnit2 test suite, run via grunt test
add before/after and % savings information