Add TruthTable compose implementation
Add TruthTable compose implementation

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