Squashed 'cgilite/' changes from 13c2995..c207699

c207699 bugfix: fix error when reading literal "+" char from storage
e7e354d basic print styles
4b913ff set foreground color where background color is set
49b4c44 remove obsolte escape functions
47a1cf6 introduce functions for cookie based cryptographically signed session variables
e3e5c0d introduce simple DBM module
8070ac9 use debug function for error output

git-subtree-dir: cgilite
git-subtree-split: c207699d7f39ce4bf96139e25da61e13cb94be4c