Fixes #811. Update some stdlib methods. Header printout correctly picks a name. #804

resources/examples/contextfree/guess_number.c3

@@ -52,7 +52,6 @@ fn int! askGuessMulti(int high)
 		}
 		return result;
 	}
-	unreachable();
 }
 
 fn void! Game.play(Game *game)

resources/examples/fannkuch-redux.c3

@@ -64,7 +64,6 @@ fn int fannkuchredux(int n)
 		}
 		perm_count++;
 	}
-	return 0;
 }
 
 fn int main(int argc, char** argv)

resources/examples/fannkuch-redux2.c3

@@ -61,7 +61,6 @@ fn int fannkuchredux(int n)
 		}
 		perm_count++;
 	}
-	return 0;
 }
 
 fn void! main(String[] argv)