Squashed 'CoreFiles/' changes from ecd50fd..1989e81

1989e81 Adding small modification on core files
ddf8cc3 Extra core functionality by developer 123
e1392d2 Adding core functionality developer 123

git-subtree-dir: CoreFiles
git-subtree-split: 1989e8149e2ae898009a65cb8c73db5013835e2e
Merging changes on core files