Pushed to v2.1.1

- Fixed issue in x509clone plugin when using CA cert for signing
- Minor fixes in x509 plugin

Bumped to v2.1.0

* Added support for ECDSA keys in certcloner plugin

Bumped to v2.0.2

* Fixed issue with unknown subcommands
* Added EBCDIC plugin

Bumped to v2.0.1

* Fixed PyPI issue

Bumped to v2.0.0

* New GUI layout
* Live editiing reactivated
* Formatted view for plugins like syntax highlight
* Many improvements for the hex view
* Editing the content of one widget will affect the content of all
following widgets
* Added various key shortcuts (see repo wiki)
* Improved logging facilities
* Added --fullscreen CLI option
* Convenience wrappers for unprocess() added (.-prefix on CLI, .- and
--prefix in GUI fuzzy search)
* Many bug fixes

Bumped to v2.0.0b5

* Updated CLI help examples

Bumped to v2.0.0b4

* Implemented --fullscreen CLI option
* Implemented convenience wrappers for unprocess() in CLI mode
* Added first code for selection synchronization in hex view widget

Bumped to v2.0.0b3

* Clear error messages in current encoder widgets
* Updated hex editor widget

Bumped to v2.0.0b2

* Encoder widget layout changed from plugin combos to a tree view for
plugins
* Various bugfixes

Bumped to v1.7.1

* Notify invalid plugins in statusbar.