Cleanup some picosat error handling
Cleanup some picosat error handling

karissa/pyeda,sschnug/pyeda,cjdrake/pyeda,pombredanne/pyeda,GtTmy/pyeda,GtTmy/pyeda,pombredanne/pyeda,karissa/pyeda,sschnug/pyeda,sschnug/pyeda,karissa/pyeda,pombredanne/pyeda,cjdrake/pyeda,GtTmy/pyeda,cjdrake/pyeda