Add (failing) unit tests for stricter quoted-printable checks
Moved line-unfolding to cope with quoted-printable
Introduce OOP parser and no longer explode lines
Add parser helpers
Additional helpers seek() and tell()
Support reading `Parameter`s one by one
Improve error reporting and skipping invalid/unparsable lines
Fix matching folded lines
Improve error reporting
Add quoted-printable decoding
Fix invalid unit test
Add (failing) unit test to check for escaped semicolon in parameter
Accept any parameter value
Fix throwing ParseException for empty buffer
Add (failing) test for backslash-escaped values in quoted printable
Do not unescape backslashes for quoted printable