* Refactor entire project into sub-packages

* Relocate clone package

* Refactor, simplify packages

* Add tests to new compare package

* Remove redundant checks

* Flatten util package structure

* Rename parallel.Parallelize to parallel.Line

* Improve doc of new exported types and functions

* Refactor package name

* Update README after major package refactor

* Refactor blur function names

* Update README

* Fix typo