+2.2 [2018-09-26]
+ * remove leading/trailing white-space before evaluating input's
+ likeliness
+ * extend DSA numbers with an optional trailing -\d+, treat DLA as DSA,
+ add new 'security' color-tag
+ * add support for clipboard.readText(), available in firefox 63
+ * provide light and dark icon variants with standard colors
+ * place openlogo-nd.svg in a square document
+
+2.1 [2018-08-22]
+ * Allow for and trim leading '#' in bug numbers
+
2.0 [2017-07-30]
* Rework for WebExtensions
+ major change in the user interaction