Optional delay entering spawn after combat tag ends

Finally fix #3
Fix some bugs

Author: Techcable

api/src/main/java/net/techcable/spawnshield/compat/BlockPos.java

@@ -50,7 +50,10 @@ private CombatAPI() {}
      * Returns if a player is combat tagged
      * @param player the player to check
      * @return true if combat tagged
+     *
+     * @deprecated please use
      */
+    @Deprecated
     public static boolean isTagged(Player player) {
         if (hasCombatTag()) {
             return getCombatTagApi().isInCombat(player);