v1.0.20

fix #14.

v1.0.19

- Replace the account name with wxid if it is empty. (wechat 4.0)
- Fix #31. (wechat 3.9)

v1.0.18

Replace the account name with wxid if it is empty.

v1.0.17

- Fix #28.
- Print more details during the process.

v1.0.16

- Fix long nickname issues. (#26)
- Widen the key search range.

v1.0.15

- fix some bug: #25,#26

v1.0.14

fix #24.

v1.0.13

- Support converting db key to sqlcipher rawkey.

v1.0.12

Optimizing the speed for searching 4.0 db key.

v1.0.11

- Update the algorithm for searching db key.
- Update and remove some dependencies.
- Fix some other issues.