Use String's .unicodeScalars view instead of .characters (#194)
Use String's .unicodeScalars view instead of .characters (#194)

* Updates in Axis/String module (pt.1)

* Update in HTTPServer/Router (pt.1)

* Updated Axis/String module (pt.2)

* Final updates

* Code review updates

* Remove redundant/obsolete code

* Create static property UnicodeScalars.utf8

+ add some tests

Zewo/System