Passed maxResults parameter from command line.

[yehangjun]

No description provided.

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[yehangjun]

I signed it!

[googlebot]

CLAs look good, thanks!

[tswast]

LGTM (Looks Good To Me). Thanks! I like this change, it's definitely nice to be able to ask for more and fewer labels easily when trying the API out.

I'm ignoring the Travis failure. It's still failing due to #50.