Remove unnecessary constant
Squashed 'lib/' changes from 1d2b6e6..f0d9506

f0d9506 Add empty folders

git-subtree-dir: lib
git-subtree-split: f0d9506cd08ce46a8fa39a5f37aefdeb87f59c7b
Merge commit 'c6029ea33c4b18d112148949819cc1a06bd47b0c'
Update documentation
Merge branch 'master' of github.com:FACT-Finder/FACT-Finder-PHP-Library-Demo