Squashed 'pin-core/' content from commit 8ab5e53

git-subtree-dir: pin-core
git-subtree-split: 8ab5e53f922faee6f36968fec5cb46b335b7aece
Merge commit 'fd87f56a8d646ce50ef10e18c0c3fb33bfe0dc69' as 'pin-core'
Merge branch 'master' of https://github.com/Xyllus/pin-enter