Bump version for v0.3.4
Bump version for v0.3.4

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