Fix bug in DynamicCapability's dir method
Fix bug in DynamicCapability's dir method

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