v0.1.4:
  date: 2013-04-10
  changes:
    - Fix exception when running in verbose mode.
v0.1.3:
  date: 2013-04-05
  changes:
    - Fix OptiPNG not being able to overwrite file.
    - Allow overwriting src when dest/src is the same.
    - Limit to 10 concurrent optimizations.
v0.1.2:
  date: 2013-02-22
  changes:
    - Fix OptiPNG not working on some systems.
    - Prevent OptiPNG from producing .bak files.
v0.1.1:
  date: 2013-02-15
  changes:
    - First official release for Grunt 0.4.0.
v0.1.1rc8:
  date: 2013-01-30
  changes:
    - Fix task not creating destination folders
v0.1.1rc7:
  date: 2013-01-30
  changes:
    - Updating to work with grunt v0.4.0rc7.
    - Switching to this.files api.
v0.1.0:
  date: 2012-11-01
  changes:
    - Initial release.
