Update CONTRIBUTING.md
Update CONTRIBUTING.md
Bump version to 1.1.3
Add dotorg banners
Version 1.1.3
Use 5.2 compatible code here

In order to at least catch the PHP version check. __DIR__ is not 5.2 compatible

Signed-off-by: Paul de Wouters <paul@hmn.md>
Composer udpates
Use function instead of constant
Add a tag
Merge branch 'master' into issue-69