Allow page size to be passed to the getTemplates() method.

[Framinus]

Currently, the page number parameter can be passed to getTemplates(), but the page_size parameter cannot be set.

The method to be updated is HelloSignClient.java#L510:

[jspaetzel]

Hey @Framinus thanks for opening this issue! I've opened a PR to address this. #87
I'll update this again once it's made it into a release.

[jspaetzel]

This is available as of 4.0.11.