Remove two warnings for python.c concerning printf()

warning: format '%ld' expects type 'long int',
but argument 2 has type 'int64_t'
Extra browsers added, more commenting added
Include German in list of locales to check-out for help files
Eliminate buffer overflow when reading BROWSER
minor free
Merge pull request #512 from JoesCat/master

a few minor things in uiutils.c