Merge pull request #1 from CarstenCarsten/master

fixed initial startup
some stuff
textview tabs added
Merge branch 'master' of github.com:kmoppel/pgangel
minor ui changes
get database objects
some stuff still ...
some stuff...
some stuff ..
dbconnection and dbcursor classes implemented
cursor and connection classes done
possible to connect to db now
stuff
stuff
tested
starting on datagrid
Merge branch 'master' of github.com:kmoppel/pgangel
basic quering
working on threading
work in progress ..