- 0.2.10
	* Add count active states method
	* Enable complete replace of NEW state on state instantiation
- 0.2.9
	* Enable access to is_pure method
	* Numeric option for elements return value
- 0.2.8
	* Remove sync on persist set
- 0.2.7
	* Handle missing files in fs readdir list
- 0.2.6
	* Ensure atomic state lock in fs
- 0.2.5
	* Correct handling of persistent sync when no not-state filter has been set
- 0.2.4
	* Add optional concurrency lock for persistence store, implemented for file store
- 0.2.3
	* Add noop-store, for convenience for code using persist constructor but will only use memory state
- 0.2.2
	* Fix composite state factory load regex
- 0.2.1
	* Add rocksdb backend
- 0.2.0
	* Add redis backend
	* UTC timestamp for modification time in core state
- 0.1.1
	* Optional, pluggable verifier to protect state transition
	* Change method for atomic simultaneous set and unset
	* Optionally allow undefined composite states
	* Dynamic bits
	* Optional binary contents
	* Sync all if no state passed as argument
	* Mask method for client-side state manipulation
- 0.1.0
	* Release version bump
- 0.0.19:
	* Enable alias with comma separated values
- 0.0.18
	* Eliminate key error when list run on empty valid state
	* Add replace content method
	* Remove force option from put
	* Remove purge
- 0.0.17
	* Add reverse lookup method for name to state property
- 0.0.16
	* Ensure store is present if path query for NEW is fired before any put
- 0.0.15
	* Add missing store module in setup
- 0.0.14
	* Add next state advancer
- 0.0.13
	* Add next state peek
- 0.0.12
	* Add path method
- 0.0.11
	* Add sync from persisted store
- 0.0.10
	* Implement move, set, unset on persisted store
- 0.0.9
	* Add optional overwrite of contents
	* Add list all keys by state
- 0.0.8
	* Add single bit transition to aliases
- 0.0.7
	* Add content for keys
- 0.0.6
	* Update description
	* Implement simple file store backend (add only)
- 0.0.5
	* Add persistence wrapper
- 0.0.4
	* Add item lifetime control
- 0.0.3
	* Split match to 2-element tuple, returning complex value and simple values separately
- 0.0.2
	* Fix rename module name errors
	* Add listing and matcher
- 0.0.1
	* Add bases states and aliases