feat(#28): invalid_application_ref

See #29, release log:

• cb265e1 by @h1alexbel: feat(#28): test message
• 92f6863 by @h1alexbel: feat(#28): compose test
• f2c6610 by @h1alexbel: feat(#28): test in err_ast
• d866b4b by @h1alexbel: feat(#28): invalid_application...

Released by Rultor 2.0-SNAPSHOT, see build log