* Closes #19, Allows to add additional RegEx flags.
* Fixes bug `RangeError: Maximum call stack size exceeded`.
  * Replaces the recursive approach to a loop one.
* Improves code.
  * Clones `$`.
  * Simplifies code.
    * Improves code performance.
    * Improves code coverage.
  * Adds JSDoc to improve Learnability and Maintainability.
* Improves project configuration.
  * Renames `readme` folder to `.readme` in order to prevent it to be packed.
  * Removes `.npmignore` (It doesn't work when using `files`: https://github.com/npm/npm/issues/4479)
  * Updates CI configuration.
* Updates Documentation.