chore(release): 2.0.1

chore(release): 2.0.0

chore(release): 2.0.0-alpha.1

chore(release): 2.0.0-alpha.0

+ replaceExt method

* update dependency packages version

* [bug] normalizeArray should trim unwanted path seperator or "." at …

…beginning of array.

 [bug] win.toArray is not work

* [bug] path.toArray can not work

+ path property to Path Class