Skip over "entity" component

Merge pull request #59 from ayebear/dev

Dev

Merge pull request #52 from ayebear/world

World context + getters/setters

Added registration example

Updated info and cleaned up readme

Removed old assert() hack

Replaced with expect() - not all cases are fully idiomatic yet, but it's a good start

Merge pull request #44 from ayebear/alpha5

Next alpha version

Added hasAny to Entity

Merge pull request #42 from ayebear/dev

alpha 3

Version bump

Merge pull request #41 from ayebear/v1

1.0.0-alpha1