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OHM2: Oxygen/Hydrogen Management 2

OHM was getting a bit out of date, and there were several features that would have been extremely difficult to work in to the old version, so I present OHM2, a new and significantly improved gas level manager.

Features:
Independent management of hydrogen and oxygen levels on the same loop.
Triggering of timers when an event in the code is triggered. Eg. Hydrogen drops below it's threshold; Oxygen reaches capacity.
A cycle feature that ensures compatability with airlock scripts. Note, this feature is more performance intensive and halves your hydrogen production when it is active.
LCD display of system statistics.
Arguments that make oxygen tanks available to airlocks or force the script to manually cycle.

Setup:
Put all of the blocks you want the script to manage in the Life Support group ( case sensitive, you can change the name inside the script itself). The script will automatically detect the type of block and sort into the proper lists. Supported blocks are: gas generators, oxygen farms, vents, any gas tank, lcds, and timers.
The script will automatically detect any change in the size of the group and refresh.
To set up timers simply input "o2Timer" or "hyTimer" in the custom data of the timer (not case sensitive) to indicate whether it triggers when oxygen or hydrogen goes above their threshold respectively. Put a "-" somewhere in with the argument to cause the timer to trigger when the tank drops below the threshold. Timers don't update if you change them after adding them to the group, so make sure to recompile the script when you are finished setting them up.
The script requires you have at least one form of oxygen generation (gas generator, vent in atmosphere, oxygen farm)
and at least one oxygen tank in order to operate.

Configuration:
The configuration values are in the custom data of the programmable block. To change, simply adjust the value after the equals sign to the desired value.
The threshold variables are the value (in decimal) below which the tanks will try to stay above. The cycle threshold indicates the percentage of hydrogen level above which the program can cycle. Set this to 0 to allow the system to cycle no matter what.
The "cycle" variable indicates whether the script is allowed to automatically cycle. Use this setting with airlock scripts.

Behavior:
The script will ensure oxygen tanks don't fall below a certian threshold and stop production when it reaches it while filling hydrogen tanks.
If cycle is enabled and it is full on oxygen and the hydrogen tanks need fuel and the hydrogen levels are above the cycle threshhold, the script will periodically switch between hydrogen production and making tanks available for airlocks. A cycle indicator will show next to the state to indicate this.
If it recieves the argument "Cycle" (not case sensitive), the script will be forced to cycle once. If it recieves the argument "Airlock" (not case sensitive, you can change this value in the script), it will ensure oxygen tanks are available for one run.
If it is in an oxygen atmosphere and it needs oxygen it will prioritize using vents, if any. If it can't get oxygen from vents then it will default to using oxygen farms, if any. If there is no other option the script will use gas generators to generate oxygen.

Notes/Troubleshooting:
If you want to fill tanks on a docked craft, you will have to put them in the correct group, and go in the script and set USE_OTHER_CONSTRUCTS to true.
If you have cycle turned off, the script will leave gas generators off when they aren't needed. If you want to refill bottles directly from the gas generator, you can set up a button that runs the programmable block with the argument "Cycle" to temporarily power it.
If the script fills the oxygen tanks too much, try lowering the threshold to a lower value to allow for more wiggle-room. If you have multiple gas generators for few oxygen tanks consider starting at a lower value.
If the script shows "Initialize" as it's state, then it does not have the required blocks to continue running. If it stops working but shows the script is updating then recompile and check if it is stuck on Initialize.