Update pagination configuration

[sparrowDom]

Checklist:

• Ensure all new and existing tests pass
• Submit to the develop branch instead of master

Description:

• Listing, Purchase and Review resources when queried by default return 10 items. With maximum number of parameters per page allowed set to 100.

Query parameter to use:

• page indicates the pagination page number
• results_per_page number of results per page. Defaults to 10, can be between 1 - 100.

Fixes following issues:

• Pagination: Listings #99
• Pagination: Purchases #100
• Pagination: Reviews #101

[micahalcorn]

@franckc we'll hold off on OriginProtocol/origin-js#264 until Tyler's work is merged, as the resource methods might look completely different.

[sparrowDom]

@micahalcorn can we still merge the bridge server part, or do we wait for this as well?

[micahalcorn]

No, I'll let Franck merge ☑️

[franckc]

Simple ! Thanks for making this change.

LGTM