Added hunger, saturation and exhaustion modification and querying (#286)

* Added hunger querying and modification

* Cleaning up old code

* forgot semicolon

* Added saturation querying and modification and exhaustion modification

working on exhaustion querying

* added if statements

to avoid crash

* more if statements

* o ye boi!

Co-authored-by: Ghoulboy78 <53367549+Ghoulboy-78@users.noreply.github.com>

src/main/java/carpet/fakes/HungerManagerInterface.java

@@ -0,0 +1,5 @@
+package carpet.fakes;
+
+public interface HungerManagerInterface {
+    float getExhaustion();
+}