Reduce code indentation
I was stupid enough to forget about blocks

There aren't easy-to-use blocks outside of Apple SDKs
Add beforeEach() and afterEach() blocks
Update demo.c

* Include beforeEach() and afterEach() blocks
Merge branch 'feature/beforeEach+AfterEach' into develop

Add beforeEach() and afterEach() blocks.
Fix #2.
Update README

* Include beforeEach() and afterEach() in the example spec
Merge branch 'develop'

Add beforeEach() and afterEach() blocks.