* Added new commands and functionality to the harmony remote component.
-This includes the ability to optionally specify a number of times to repeat a specific command, such as pressing the volume button multiple times.
-Also added a new command that allows you to send multiple commands to the harmony at once, such as sending a set of channel numbers.
-Updated the unit tests for these changes.
* Fix flake8 coding violations
* Remove send_commands command and make send_command handle a single or list of commands
* Remove send_commands tests
* Update itach and kira remotes for new send_command structure. Fix pyharmony version in requirements_all.txt
* Fix incorrect variable name
* Fix a couple minor issues with remote tests
Paulus Schoutsen
everix1992
Stu Gott