Define time_t as long
Add travis status to README
Implement result __repr__

This actually uses the same code from couchbase._bootstrap, but this
just places the proper flags in each class
Implement 'couchbase_ffi.Couchbase'

Also, 'couchbase_ffi.CouchbaseFFI'
Support libcouchbase 2.3

This includes a static header file and disables the automatic generation
based on the installed header. cffi doesn't think 1<<1 is a "constant
expression" :(
travis: add python-cffi as a dependency