Version 0.2

* Added possibility to edit existing entries
* Better error handling for invalid secrets
* Better input checks on add/edit
Version 0.3

* Added possibility to "star" an entry to show it on the ActiveCover
* Tokens can be copied to the clipboard by tapping on them
Version 0.4

* Added possibility to use HOTP-tokens
Fixed padding for base32tohex return value
Merge branch 'hotfix-0.4-2' into develop