* 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
* Initial commit.
* Workaround nim's bug and add some other compilation error fixes.
* Rename to libp2p_pki_schemes.
Fix secio.
Add tests.
* Attempt to fix command line.
* Fix command line.
Show status in tests.
Tanguy
Dmitriy Ryajov
Eugene Kabanov