Lots of DIMACS parser refactoring
Lots of DIMACS parser refactoring

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