Bump 0.40

Add direct connect flag to be able to handle directConnectXxxxc (appi…

…um#338)

* add direct connect feature

* rmeove todo

* update readme, extract _update_command_executor

* add logger

* make log level info

* show warning if no directConnectXxxxx in dict

* tweak error message

* tweak message format

Bump 0.38

Cast set_location arguments to float (appium#332)

Bump 0.36

Bump 0.35

Bump 0.34

Bump 0.33

Bump 0.32