Well I have only written the code for "< amount" so you aren't missing out on too much yet. I'll get the rest of the code populated soon though.

I keep telling myself that I will release a wallet and then I keep wanting to push it one step further.

Edit - Just cranked it out. Here is the commit https://github.com/presstab/HyperStake/commit/60b53e5d1eda7aeef748018ef4e16f3c518d6662