Change NPM version

Many improvements and fixes (see description)

- Improve core constructor speed;
- Improve .on(), .off() and .one() function with new features and constructor (need tests and some fixes);
- Improve filter;
- Improve trigger (add pass event param);
- Add .eq() function;
- Add .hover() function (need tests);
- Remove private instanceOf() function;
- Improve typeOf (array checkup);
- Fix matches crash when non element passed;
- Change hasParent logic;
- Improve createContext logic;
- Add inArray() function;

Merge branch 'feature/major-changes-to-v2' into develop