Merge pull request #11 from kelunik/autoload-path

Fix autoload search logic

Some cleanup and code-styles

Fix Tuli

Merge branch 'master' of github.com:ircmaxell/Tuli

Fix arugment types when a node doens't have a type

Extract out the type resolving to a separate library:

Fix bad exception temporarally

Update composer to remove custom repo for Graphviz

Merge branch 'master' of github.com:ircmaxell/Tuli

CS fixes

Add support for tightening return values via docblock

Merge pull request #8 from alprs/void_type

add void as a null type alias

Fix a few more bugs, and get the image/printing comamnds to work