Add slot based connection which routes requests according to key slot

src/test/java/redis/clients/jedis/tests/utils/JedisClusterCRC16.java

@@ -4,11 +4,8 @@ public class JedisClusterCRC16 {
 	public final static int polynomial = 0x1021;	// Represents x^16+x^12+x^5+1
 	static int crc;
 	
-	public JedisClusterCRC16(){
-		crc = 0x0000;
-	}
-	
 	public static int getSlot(String key) { 
+		crc = 0x0000;
         for (byte b : key.getBytes()) {
             for (int i = 0; i < 8; i++) {
                 boolean bit = ((b   >> (7-i) & 1) == 1);
@@ -21,9 +18,4 @@ public class JedisClusterCRC16 {
 
         return crc &= 0xffff % 16384;
     }	
-	
-	public static void main(String[] args) {
-		System.out.println(getSlot("test"));
-	}
-	
 }