Next release

[sorki]

Will be 0.7 due to breaking change in #216

• [x] after #218
• [x] remote needs appropriate lower bound
• [ ] hnix needs an update to reflect ^
• [x] create core tag
• [ ] create remote tag

I might break remote interface while we are at it.

[sorki]

@sandydoo @domenkozar core 0.7 out