Initial attempt at fixing Card_compare
Fixed Issue #1
Removed debug messages in Determine_winner()
Bugfix for left bower
Check_follow() now returns an index

Returns the index of the card in the player's hand which should be
played if the player can follow suit. Returns -1 if no such card exists.
Magically less broken
formatting
njuhik
Merge branch 'Bugfixing' of https://github.com/twschum/project3 into Bugfixing
Added function to print contents of player hands
Fixed Issue #2

- Changed Check_follow in Player.cpp
- Added Check_lead in Player.cpp
- Modified static TRUMP and LED_CARD values for Card_compare functions
so that they are always better than other cards
Debug fixes