Mir-ina

Results 2 issues of Mir-ina

If `c` is zero, then `c.bit_length()` is zero too. So `c.to_bytes((c.bit_length()+7)//8, 'big')` will return empty string, which is not correct. We need '\x00'.

It is a question about commit 31395a9a743d303850be92ad38a2fe5ece0427f3 (HEAD) Date: Thu Mar 14 19:33:27 2019 +0000 I have a stable script for manipulation with DB versions. It has a user menu...