Add python 3.2 and pypy to Travis CI
Add python 3.2 and pypy to Travis CI

SymbiFlow/pycapnp,jparyani/pycapnp,tempbottle/pycapnp,tempbottle/pycapnp,rcrowder/pycapnp,jparyani/pycapnp,jparyani/pycapnp,jparyani/pycapnp,SymbiFlow/pycapnp,tempbottle/pycapnp,tempbottle/pycapnp,rcrowder/pycapnp,SymbiFlow/pycapnp,SymbiFlow/pycapnp,rcrowder/pycapnp,rcrowder/pycapnp