Updated readme

Author: ianopolous

README.md

@@ -1,4 +1,40 @@
 # IPFS-API-Java
-A Java implementation of the HTTP IPFS API
+A Java implementation of the IPFS http api
 
+##Usage
+-----
+Include the IPFS.jar in your project.
+
+Create an IPFS instance with:
+```Java
+IPFS ipfs = new IPFS("127.0.0.1", 5001);
+```
+
+Then run commands like:
+```Java
+ipfs.refs.local();
+```
+
+To add a file use:
+```Java
+NamedStreamable.FileWrapper file = new NamedStreamable.FileWrapper(new File("hello.txt"));
+MerkleNode addResult = ipfs.add(file);
+```
+
+To add a byte[] use:
+```Java
+NamedStreamable.ByteArrayWrapper file = new NamedStreamable.ByteArrayWrapper("hello.txt", "G'day world! IPFS rocks!".getBytes());
+MerkleNode addResult = ipfs.add(file);
+```
+
+To get a file use:
+```Java
+MerkleNode addResult = new MerkleNode("QmPZ9gcCEpqKTo6aq61g2nXGUhM4iCL3ewB6LDXZCtioEB");
+byte[] fileContents = ipfs.cat(merkleObject);
+```
+
+##Building
+---------
 To build just run make. There are no dependencies, just include the resulting IPFS.jar in your project. 
+
+To run tests use make tests.