add note about += and -= to README

add increment/decrement instructions to example_commands

README.md

@@ -27,7 +27,7 @@ Where:
 ## `API Commands`
 
 - Commands starting with `!` will be toggled, use it with boolean parameters.
-- Commands containing `=` will set a value.
+- Commands containing `=` will set a value. (use `+=` and `-=` to increment/decrement)
 - All other commands with get a value.
 
 Examples:

example_commands.txt

@@ -1,3 +1,5 @@
 strip[0].mute !strip[0].mute strip[0].mute strip[0].gain strip[0].label=podmic strip[0].label
-strip[1].mute=1 strip[1].mute
-bus[0].label bus[0].gain=-8.3
+strip[1].mute=1 strip[1].mute strip[1].limit-=8
+strip[2].gain-=5 strip[2].comp+=4.8
+bus[0].label
+bus[1].gain-=5.8