* wip based on early draft. todo benchmarking
* fixup eraser, assume keys are unique
* fix cursor copy, test removal at random
* small benchmark via permutations. todo lambdas and novirtual
* fix empty condition / reset
* overwrite optimizations, fix move offsets overflows
* ...erase using 0xff instead of 0
* test the theory with code, different length kv were bugged
* try to check for out-of-bounds writes / reads
* style
* trying to fix mover again
* clarify length, defend against reading len on edge
* fix uncommited rewind change
* prove space assumptions
* more concise traces, fix move condition (agrh!!!)
* slightly more internal knowledge (estimates API?)
* make sure cursor is only valid within the range
* ensure 0 does not blow things
* go back up
* cursor comments
* comments
* rewrite writes through cursor
* in del too
* estimate kv storage requirements, return available size
* move raw erase / move into a method, allow ::set to avoid scanning storage twice
* refactor naming, use in code
* amend storage slicing test
* fix crash handler offsets, cleanup configuration
* start -> begin
* eeprom readiness
* dependencies
* unused
* SPI_FLASH constants for older Core
* vtables -> templates
* less include dependencies
* gcov help, move estimate outside of the class
* writer position can never match, use begin + offset
* tweak save_crash to trigger only once in a serious crash
* doh, header function should be inline
* foreach api, tweak structs for public api
* use test helper class
* when not using foreach, move cursor reset closer to the loop using read_kv
* coverage comments, fix typo in tests decltype
* ensure set() does not break with offset
* make codacy happy again
- general conversion from .ino modules into a separate .cpp files
- clean-up internal headers, place libraries into .h. guard .cpp with _SUPPORT flags
- fix some instances of shared variables instead of public methods
- tweak build system to still build a single source file via os environment variable ESPURNA_BUILD_SINGLE_SOURCE
Max Prokhorov