Allow for long's as well as ints for request params

_params['max_id']
330122291755220993L

type(_params['max_id'])
<type 'long'>

isinstance(_params['max_id'], int)
False

isinstance(_params['max_id'], (long,int))
True
Added compat, numeric_types as allowed param type.
Added numeric_types
Update AUTHORS.rst
Merge pull request #207 from devdave/patch-1

Allow for long's as well as ints for request params