* Add reworked event types
* first pass implementing event subscriptions
* make clear that some methods are private
* comment tidy
* use Events in transaction stuff
* align transaction and event APIs
* remove __private_ prefixes; they are ugly
* fix examples and remove old events and subscription code
* better comments on hidden event functions
* re-add find_first_event; it's used a bunch in tests and examples
* cargo check --all-targets now passes
* Fix up existing event tests
* cargo fmt
* change todo to note
* clippy and doc niggles
* revert to find_first_event
* Add specific subscription related tests
* cargo fmt
* Update tests and add/fix examples
* cargo fmt
* add a little to subscribe_all_events example
* cargo fmt
* move an example comment
* easy access to root mod for more clarity
* add a couple of tests to ensure that events properly decoded until naff bytes
* Simplify EventSubscription Stream impl a little
* Address some PR feedback
* move into subfolder step 1
* Make folders a workspace again
* Move examples into their own workspace crate to make them more visible and easier to run
* clippy fix
* newline
* tweak releasing steps for folder move
* reference exampels more clearly in top level readme
James Wilson