Merged branch for ticket #397 into trunk
Improved maximal revision size calculation for ticket #397
Ticket #423: Added String functions is_blank(), is_alphanum(), is_alnum(), is_cntrl(), is_digit(), is_graph(), is_lower(), is_print(), is_punct(), is_space(), is_upper(), is_xdigit()
Ticket #423: added comments for new functions (is_blank, is_alnum, is_alpha, is_cntrl, is_digit, is_graph, is_lower, is_print, is_punct, is_space, is_upper, is_xdigit)
Changes in ticket #397 Made the maximal diff file size depend upon revision number and the actual file size
Changed default settings to activate version control for ticket #397
Implemented ticket #420 "Enable 'return' in scripts"
Improved the implementation of ticket #397 If the differences between the current revision root are smaller than the current file, only the differences are stored.
Improved the implementation of ticket #397 If a file is saved without an actual modification, no revision is created.