- changed uint8_t readInitialState() to return the read state.
- changed bool setValue(uint8_t re, int32_t value = 0) to return false
if parameter re is out of range, prevent possible bug. - changed int32_t getValue(uint8_t re) to return 0
if parameter re is out of range, prevent possible bug. - add example rotaryDecoder_demo_RE_IO.ino
- update readme.md, interface section.
- minor edits