Update and rename README to README.md

README

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-verushash-node
------------------------
-Implementation of the VerushHash hash algorithm as a node.js module

README.md

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+# verushash-node
+
+Implementation of the VerushHash V1, V2, V2.1 hash algorithm as a node.js module
+
+## For testing purposes:
+
+    git clone https://github.com/veruscoin/verushash-node
+    cd verushash-node
+    npm install
+    node test.js
+
+## Example test.js output:
+
+    'VerusHash1   Output' '2cd709e6569bd706f14a09e62042ddccfa63bd3725b21f35a8c98adbf4151184'
+    'VerusHash2   Output' '55cec43b110570481f6d565c3a8bb6ed174956494aeebf4c264283791dbd3ded'
+    'VerusHash2b  Output' 'f971af1d4e551e9e71d35c6266fc19a98c6ad0388be1e9979f66921e07b5c9ac'
+    'VerusHash2b1 Output' '0ef8b9530ce44a7ffb9b520daf8fcf59d1d22dd1bfa1a26ef4351d51e37071b7'
+