sourceeditor.py: Add linenumbers
sourceeditor.py: Add linenumbers

caio2k/RIDE,fingeronthebutton/RIDE,robotframework/RIDE,robotframework/RIDE,robotframework/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,caio2k/RIDE,robotframework/RIDE,caio2k/RIDE,fingeronthebutton/RIDE,fingeronthebutton/RIDE,HelioGuilherme66/RIDE