v0.2.0 (2017-11-13)

• OIDs are now fully abstract, with a simpler interface.
• OIDs have custom comparison and hasing.
• Time is gone in favor of Ptime.
• IMPLICIT silently becomes EXPLICIT when necessary.
• Parse errors are reported through Result.
• Syntaxes now live in their own module, Asn.S.
• Rewrote the parser; no new features, but looks nicer from a distance.
• Various performance improvements.
• Documented the interface.