Added in breaking functionality.
Added category functionality.
Breaking and category breaking works properly now.
Fixed parsing of the home url ("/").
Added named break tag segments.

Tags after the first instance of a particular break tag are now doled out
as variables, too, meaning you can now have multiple URL string functions
running on a single string, like /path/category/stuff/page/2.

These will now work such that
{ss_category_1} = stuff
{ss_category_2} = page
{ss_page_1} = {ss_category_3} = 2

(assuming that category and page are break triggers)

Nifty!
Merge pull request #2 from futuraprime/master

Parity with Freebie