* Sat Sep 14 2019
  - Grandpa corrections to Algorithm Play Grandpa round and Attempt-to-finalized
  - Differentiating between grandpa nodes and other nodes over finalization.
* Fri Sep 13 2019
  - Main part of block verification specced.
* Fri Sep 06 2019
  - Specced the details of obtaining number of slots in an epoch
  - Babeapi_Api Runtime entry specced 
  - List of Runtime entries updated to Kusama's Runtime.
  - Updating Block Validation.
* Wed Aug 07 2019
  - Transaction Queue and tranaction pool added to transaction processing.
* Tue Aug 06 2019
  - Beginning to Spec the behaviour transaction queue/pool
  - Raw spec of hash_and_length Runtime entry
* Mon Aug 05 2019
    - More development of Blockchain paradigm: Discrete State Machine added and information about block moved to state replication section.
  - Block body specced.
* Sat Aug 03 2019
  - Describing State Transition and transactions.
  - Relate the extrinsics to the state transition in the intro of extrinsics section
  - Add a section for State replication describing Block as transaction journals.
  - Move parts related to Block format and validation to State replication section.
  - Improve Documentation of TaggedTransactionQueue_validate_transaction including
    the description of its output.
* Fri Aug 02 2019
  - Documenting the output of Runtime APIs when they return a Result object. 
  - Write a definition for finality for non-validator set
* Wed Jul 31 2019
  - Status Message updated to include minimum version.
  - Definition of finalized block and justifies finalization.
  - Definition Pruned Block tree.
  - Updated Definition of Longest-Chain to include the arrival time of the last block to break tie.
* Fri Jul 26 2019
  - Change the document style from "article" to "generic" to get chapters numbers included in subparts.
  - Table of content is added.
  - The description of individual Runtime entries moved to an Appendix.
  - Core_Execute_block was documented more accurately.
* Mon Jul 22 2019 
  - Network message clean up, adding references.
  - Changing the Style from Article to Documentation so the chapter numbers
    are added to the section for easier referral.