* Added da encoder pipeline draft
* Remove unnecessary method
* Added verifier module and blob type
* Fill verifier skeleton
* Add comments on implementation, remove unnecessary intermediary method
* Added dispersal skeleton
* Added test modules for dispersal and verifier
* Added test modules for encoder, implemented basic test
* Added missing test cases
* Added missing calls to encode method
* Use single megabyte test in encoder
* Added basic testcases for dispersal
* Added basic testcases for verifier
* Remove duplicated column proofs from encoding schema
* Remove parameters from test functions in encoder
* Extract common types to common module
* Make test pass
* Remove node id dep from mixnet and fix columns access
Daniel Sanchez