Adding the new feature setting/getting methods to the python/sip interface.
Adding the LimaDetector tango/glue to the project, for easy access to it and parallel development with the plugin itself.
Merge branch 'master' of https://github.com/serge-cohen/Lima-camera-andor3

Conflicts:
	andor3_plugin.xcodeproj/project.pbxproj
Merge branch 'master' of https://github.com/serge-cohen/Lima-camera-andor3

Conflicts:
	andor3_plugin.xcodeproj/project.pbxproj
Added the simple-gain settings to the interface, from where they should be used in the device.