Fixed forward backward commands
Fixed energyfb2 standby command
Bugfixing
Fixed write_wavelength2 bug
Updated delay read/set attributes
Increased timeout to 1500ms
Refining sequence error message
Remove prints
Added energymax
Added sequencer NewLambda setting and attributes for FelMaster
Added error_sequence attribute
Fixing delay_common attribute and forward backward commands
Setting devstate
Fixing deviceproxy creation