* Distinct handling for N fields + 1 hasher vs N fields + N hashers
* tweak comment
* cargo fmt
* fix typo
* Add a few storage specific tests
* clippy fixes
* cargo fmt
* Add a test to specifically address this fix
* comment typo
* Address niggles
* slgihtly nicer iter code
* Substitute BTreeMap/BTreeSet for Vec
* regen code
* cargo fmt
* undo test tweak since not substituting bounded things at the mo
* add a couple of comments
* Add error information back into metadata to roll back removal in #394
* Go back to obtaining runtime error info
* re-do codegen too to check that it's all gravy
* Convert DispatchError module errors into a module variant to make them easier to work with
* Fix broken doc link
* 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
* implement next_context
* write test_context for method next_context
* change how events are uniquely identified
* undo local changes for test-runtime
* introduce EventContext struct
* adjust test_context to EventContext struct
* fix return type for next_context
* add suggestions by jsdw
* ran cargo fmt and clippy
* 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