Updated README.md documentation to support recent (partial) requestPaginator and clientPaginator interface unification.
Dont treat '-' as a number, add a tie breaker so that models of the same value do not switch spots
Merge branch 'update_documentation_functions' of https://github.com/KingOfWeb/backbone.paginator into KingOfWeb-update_documentation_functions

Conflicts:
	README.md
Merge remote-tracking branch 'addy/master'