Here's their official answer to this

Answer: base-node and base-node-js are updated almost daily. The updates are in development branches (not main branch yet). Also, please remember, that not all development is happening in public repositories. Significant development happens in private repositories as it includes private BitClave’s IP'
Here's the link where u can see it

https://medium.com/bitclave/weekly-update-feb-25-2018-652a6b4d3b8c

Do the team's developers have active GitHub profiles?

 Here's their GitHub. https://github.com/bitclave.

I asked this question in their telegram. That's what they said 'Phone call or messenger'! i.e. We need to fill the form out and they'll contact us.

presale price is around 3 cents and ico price with bonus around 7 cents...there was a big price different....that is why presale investors dumped coins non-stop

i am not sure how much lower can it go more

but until there is a usefull working product of bitcalve, price will not boom

its always happend in every crypto project,,
and weaks hands will sell his tokens as fast as they can, after get profit from their investments,,
but, don't worry, i believe Bitclave price will be soar soon 

hi tyska. thanks for answering. i am not sure if we will have a phone cal or what but okay, i will still join your survey.
im available for a messenger interview too.

Already the price is very cheap in the market, people who are willing to buy in the market and this is the right time. Once the market settles automatically the price will start increasing.

There is one thing should we do in this situation: only hold CAT tokens for better time. I don't believe in "crypto" spring. But sooner or later market will begin to grow.

That doesn't sound very realistic. If the ICO price was around $0.10 and it's now sitting at roughly $0.05, how could you lose more than 80% of your investment? Only when you bought at a higher price when it was traded on exchanges, but that isn't what nira09 referred to.