* adding raises defect across the codebase
* use unittest2
* add windows deps caching
* update mingw link
* die on failed peerinfo initialization
* use result.expect instead of get
* use expect more consistently and rework inits
* use expect more consistently
* throw on missing public key
* remove unused closure annotation
* merge master
* Minprotobuf initial commit
* Fix noise.
* Add signed integers support.
Add checks for field number value.
Remove some casts.
* Fix compile errors.
* Fix comments and constants.
Tanguy
Dmitriy Ryajov
Eugene Kabanov