Added some output to main.
Got rid of some of the panics.  Replaced some of the less idiomatic go code.
Refactored some of the Matchup struct members to make them more clear at first glance.
More refactoring.
Replaced the use of a literal with a type def.
Changed the name of the matchup record to historical matchup.
Added some data for the upcoming season.
Updated the data and one of the descriptions.
Updated for wk 3, 2014
Updated data for week 4 2014.
Updated data for week 5.  Made it easier to specify the week number.