Add x16r and x16rv2 algorithms. (#175)

* Add x16r algorithm.

* Add x16rv2 algorithm.

* Update README.md

README.md

@@ -50,6 +50,8 @@ Features
 * ✓ __Quark__ (Quarkcoin [QRK])
 * ✓ __X11__ (Darkcoin [DRK], Hirocoin, Limecoin)
 * ✓ __X13__ (MaruCoin, BoostCoin)
+* ✓ __X16R__ (PexaCoin, RavenCoin)
+* ✓ __X16RV2__ (PexaCoin, RavenCoin)
 * ✓ __NIST5__ (Talkcoin)
 * ✓ __Keccak__ (Maxcoin [MAX], HelixCoin, CryptoMeth, Galleon, 365coin, Slothcoin, BitcointalkCoin)
 * ✓ __Skein__ (Skeincoin [SKC])

lib/algoProperties.js

@@ -109,6 +109,22 @@ var algos = module.exports = global.algos = {
             }
         }
     },
+    x16r: {
+        multiplier: Math.pow(2, 8),
+        hash: function(){
+            return function(){
+                return multiHashing.x16r.apply(this, arguments);
+            }
+        }
+    },
+    x16rv2: {
+        multiplier: Math.pow(2, 8),
+        hash: function(){
+            return function(){
+                return multiHashing.x16rv2.apply(this, arguments);
+            }
+        }
+    },
     nist5: {
         hash: function(){
             return function(){