fixing quite a few bugs

test2.grnd

@@ -1,9 +1,17 @@
-fun -int !add -int &a -int &b
-	add $a $b &a
-	return $a
+fun -bool !greater -int &x -int &y
+	greater $x $y &x
+	return $x
 endfun
 
 pusharg 1
-pusharg 4
-call !add &result
-end $result
+pusharg 3
+call !greater &bigger
+
+if $bigger %yes
+jump %no
+@yes
+stdout "yep!\n"
+end 0
+@no
+stdout "nope...\n"
+end 0