CODE clean up:

Minor adjustment, remover convert global variables not used anymore
CODE:

Add rename function to reduce repetition
CODE:
getSizeSel return size from user to be used on converters
CODE: set all $lstmsg to global namespace
CODE:

Old sizeval validation removed from convert process
CODE:

Add inkscape to its own function
removed from convert
CODE

Remove calligra convert function from convert proc
Added processCalligra, returns dict
Code cleanup

Added comments and moved variables to namespace. removed a buch of
global variables from proc
FIX: always adding suffix for svg and calligra files
CODE: Added tmp directory handling to rename function
ADD: Added some variables available to use in preset

Variables for date are now available as day, year, month or full date.

FIX: parsing of list with spaces
Fixes #8

Added more documentation to configuration example file

Version bump 1.5