Revert "Merge branch 'macoslib-master'"

This reverts commit 4a1a6295c3d73f0084b922de6f86b68ef8d8e742, reversing
changes made to c1b5d12da641b459686bc3a1efd2f1f85c07c33c.
Re-adds lost CorePrinting file
Merge pull request #134 from tempelmann/master

Re-adds lost CorePrinting file
Merge pull request #61 from macoslib/master

Merge changes
Merge branch 'macoslib-master'