Move TShock.CheckRangePermission to TSPlayer

TShock.CheckRangePermission is now TSPlayer.IsInRange, but the most
important thing is that this method returns the opposite of what the
original did, so all of the calls that would go to it are now inverted.

TShockAPI/TSPlayer.cs

@@ -321,6 +321,20 @@ namespace TShockAPI
 
 		public bool SilentJoinInProgress;
 
+		/// <summary>Checks if a player has permission to modify a tile dependent on range checks.</summary>
+		/// <param name="x"> The x coordinate of the tile.</param>
+		/// <param name="y">The y coordinate of the tile.</param>
+		/// <param name="range">The range to check for.</param>
+		/// <returns>True if the player is in range of a tile or if range checks are off. False if not.</returns>
+		public bool IsInRange(int x, int y, int range = 32)
+		{
+			if (TShock.Config.RangeChecks && ((Math.Abs(TileX - x) > range) || (Math.Abs(TileY - y) > range)))
+			{
+				return false;
+			}
+			return true;
+		}
+
 		/// <summary>
 		/// A list of points where ice tiles have been placed.
 		/// </summary>