Addresses #478, adding a heading class to represent headings and angles (#1387)

* Addresses #478, adding a heading class to represent headings and angles
Removed some unused code

* Fixing bad merge

* Formatting

* Fixing type issues and other merge resolution misses

gen/fleet/carrier_group.py

@@ -1,6 +1,7 @@
 import random
 
 from gen.sam.group_generator import ShipGroupGenerator
+from game.utils import Heading
 
 from dcs.ships import USS_Arleigh_Burke_IIa, TICONDEROG
 
@@ -54,7 +55,7 @@ class CarrierGroupGenerator(ShipGroupGenerator):
             )
 
             # Add Ticonderoga escort
-            if self.heading >= 180:
+            if self.heading >= Heading.from_degrees(180):
                 self.add_unit(
                     TICONDEROG,
                     "USS Hué City",