Merge pull request #26 from jgetto/master

Update binary type tests to use correct create table syntax
Merge pull request #27 from jgetto/master

Add NodeId to pynuodb.entity
Merge pull request #28 from jgetto/master

Add type annotations to some pynuodb methods and some pep cleanup
Merge pull request #29 from jgetto/master

Cleanup exception handling code
Merge pull request #30 from jgetto/master

Fix pynuodb performance regression
Merge pull request #31 from jgetto/master

get tests running with builtin discovery
Merge pull request #32 from jgetto/master

cleanup runtests error reporting for travis
Merge pull request #33 from jgetto/master

Fix _takeBytes bounds check
Merge pull request #34 from jgetto/master

increment version
Fix ambiguous query in tests/nuodb_huge_test.py
changes for 2.2 release
My changes
Add more type annotations to entity code
Cleanup exception handling to preserve backtraces