fix indent in example binaries
add test cases
pass standby mode state test
pass disconnected state test
add headset class and example
add blink strength detection and fix vector waves parsing
add all the get api to headset
update mind_echo example
expand tab with spaces
revert vector calculation
update test cases
update parser to do checksum check
update all the examples for new parser
fix raw data display in sdl_viewer
bump version number
Merge pull request #3 from houqp/houqp-master

add test case & headset class