Encode/Decode implemented
Merge remote-tracking branch 'remotes/upstream/master' into SDRCategoryEncoder
Change EncodingResult.encoding from string to bit array - match related Python tuple now /Finished SDRCategoryEncoder and Tests
Refactoring and JavaDoc
Use fluent style setters in SDRCategoryEncoder.Buileder.
Replaced unnessosary string coversion: assertEquals(Arrays.toString(topDown.getEncoding()), Arrays.toString(output))
with equals:assertTrue(Arrays.equals(topDown.getEncoding(),output));
Added SDRCategoryEncoder.Builder to MultiEncoder.getBuilder/Refactoring from SDRCategoryEncoder TODO list
Merge pull request #138 from solovyevk/SDRCategoryEncoder

SDR Category Encoder and Tests