Initial commit
Squashed 'src/Core/' content from commit a617f25

git-subtree-dir: src/Core
git-subtree-split: a617f2579206987e516dfabef9e36f9c4fc1d8b5
Merge commit '9dfd03d096a12f9def37fa112a17be351f96f9ec' as 'src/Core'
Squashed 'src/System/' content from commit cb6e0f9

git-subtree-dir: src/System
git-subtree-split: cb6e0f9ffeb755f37f96e372acdd1b3f930df2a0
Merge commit 'bd35df99a6f04f1bdfd20d8230d9ed94e00b7233' as 'src/System'
Squashed 'src/Front/' content from commit ff60d5a

git-subtree-dir: src/Front
git-subtree-split: ff60d5afd84727e97afdede9e8e1f753b415b213
Merge commit 'a40b47273af1e07452d4a090281591cb97b78653' as 'src/Front'
Add composer json
add composer.json, phpunit.xml, some tests and examples