keyword match pythonClass
Several improvements

Added option 'g:pymode_syntax_highlight_equal_operator'
If set, assignment '=' operator is highlighted

Added option 'g:pymode_syntax_highlight_stars_operator'
If set, star '*' and double star '**' operators are highlighted

Added option 'g:pymode_syntax_highlight_self'
If set, 'self' and 'cls' are highlighted as keywords

Added option 'g:pymode_syntax_builtin_types'
If set, all built-in types are highlighted
Some types like 'file' and 'super' were declared previously as built-in
functions, but in reality they are also types.