Add support of insert/store/replace into the Space object, also add support of global return_tuple flag
from Connection object.
Add support of c_ssize_t in older versions of python (try to import c_ssize_t, else import c_longlong as
c_ssize_t )
Add support of ERROR flag, that enables return of Response with err number
Dump version to 0.3.3
Fix bug (returned '' when recv(fd, 0, MSG_DONTWAIT) and connection is OK) that appears in FreeBSD
Fix #22: "return_tuple in conn.insert/replace/store does not work"
Dump version to 0.3.4
fix flags in _recv
Some `update` additions:

* Add missing operations to `update`
* Force `update` to take multipart keys.

Also:

* Remove trailing whitespaces
* Force `delete` to take multipart keys.
Bump version to 3.5