Add `lib` folder to .gitignore
Initial support for context and filters
Remove unused imports
Make Filter.resign(Context  context) protected
Add `servlet` module
Add `security` module
Add `caching` module
Add `serialization` module
Add `data` module
[Security] Fix groupId and package
[Core] Fix package
[Caching] Make methods protected
[Serialization] Make methods protected
Merge branch 'pipes-and-filters'