Updated the makefile
Added batch processing to unpixelterm
Added -d to unpixelterm to place files in another folder)
Unpxielterm: add support for lengthless speech bubbles
Small fixes, added missing colors to pygments
Metadata format parsing bugfix
Bugfixes (file name handling etc.)
Added batch processing to pixelterm
Bug fixes in pixelterm
Small fix of PNG metadata storage, added metadata support to pixelterm