Add .gitignore file
Add new ACF V4 files
Switch Readme template
Update content
Update content formatting
Update content formatting
Link contributors
Update field_name referances
Change field_name to use _
Fix referance to the core files
Migrate core code to V4
Merge branch 'ACF_V4' of https://github.com/iceicetimmy/acf-post-type-selector into ACF_V4
Merge pull request #1 from iceicetimmy/ACF_V4

Migrate code to ACF version 4