Move all official ASN.1 definitions to testdata/public. Add PKCS-12.
Update README with latest grammar deficiencies.
Simplify size constraint grammar.
Preliminary parser support for OBJECT IDENTIFIER values.
Preliminary sema support for OBJECT IDENTIFIER values.
Better OBJECT IDENTIFIER value handling in sema. Additional test case with nested OIDs.
First stab at codegen of OBJECT IDENTIFIER values.
Improved grammar.
Better sema representation of OID values.