added usage of pyprepfnt & sanitized the base font after injecting bundle

-added output folder option
-parsing of arguments improved
-sanitized the base font after injecting bundle
-removed glyphs not in the font from the text
-refactoring of the constant name ( white space glyphs)
at some point the code needs to start following Google's Javascript Style Guide.
https://google-styleguide.googlecode.com/svn/trunk/javascriptguide.xml

BUT ... to keep from burying real changes ... do this whitespace changes when there are no other changes.