listen to connection on start
adding test script
no need to remove listeners if we don't have them
ignore project folders of Jetbrains IDEs
Merge pull request #56 from hlev/update-gitignore

ignore project folders of Jetbrains IDEs
s/connnected/connected
Merge pull request #55 from tessel/jh-wifi-emit

wifi emit "connected"/"disconnected" events from boot
Fixes UART Parity and DataBits argument validation. Closes #66