Merge pull request #40 from RaulLepsa/master

Code improvements and refactoring regarding User and UserInformation
Fixed NullPointerException, again...

Now it should compile, fuck my text editor :/
Merge pull request #47 from CelestialWalrus/patch-2

Fixed NullPointerException, again...
Added getSubmissions(String subreddit) method to Submissions class

getSubmissions method takes in a subreddit (“funny”, “pics”, etc) and
returns a List<Submissions>
Merge pull request #50 from trentrand/master

Added getSubmissions(String subreddit) method to Submissions class