Total rewrite allowing request modification, advanced pagination and chained methods.

```
from tpb import TPB
from tpb import CATEGORIES, ORDERING

t = TPB('http://thepiratebay.sx/')
search = t.search('breaking bad', category=CATEGORIES.MOVIES)
search.page(2)
search.ordering(ORDERING.SEEDERS).multipage()
t.search('breaking bad').ordering(ORDERING.SEEDERS).page(3)
t.search('babylon 5').page(4).multipage() # multipage beginning on page 4
t.search('something').category(CATEGORIES.OTHERS).multipage()
t.recent().page(3)
t.top().category(CATEGORIES.MOVIES)
```