Release 2.0.0

Now with:

• JWS Support
• Bugfixes and streamlining all over the place
• Proper BIT STRING
• BitSet (100% Kotlin BitSet implementation)
• Recursively parsing (and encapsulating) ASN.1 structures in OCTET Strings
• Initial pretty-printing of ASN.1 Strucutres
• Massive ASN.1 builder DSL streamlining
• More convenient explicit tagging