Update CheckHand.java

just white space and comments
Update CheckHand.java

we don't actually need the messy high card function because we find it when we sort it for the straight.
cleaned logic on flush.
added NUMBER_OF_CARDS for magic number 5.
Update ReadIn.java

almost let in a bug, but since the suit values are arbitrary, making them powers of ten doesn't change anything but makes checking their sameness easier
Update CheckHand.java

altered the straight logic because A 2 3 4 5 would look like 2 3 4 5 14
Merge pull request #3 from philchute/patch-3

Update CheckHand.java