(this is msg for revision 15)   
Added Edit and Create functions for categories in admin panel
To Create new category submit whit different name from existing ones
Implementation of most of the queries and checks moved to
admin_functions.php in add_eddit_removePostsCats() function

Added db connection function for testing (TO BE MOVED TO functions.php)
Added UTF-8 cyrlic encoding fix fot testing (TO BE MOVED TO functions.php)

(Problem whit submitting msg from linux svn sorry)