v1.27.0

ReTestItems v1.27.0

Diff since v1.26.0

Merged pull requests:

• Replace relpath with cheaper function (#174) (@nickrobinson251)
• Surface test error if running testitem directly (#178) (@nickrobinson251)
• Bump version (#188) (@nickrobinson251)

Closed issues:

• Statically parse, rather than run, test files to extract @testitems (#41)
• Tests don't fail when exception is thrown (#177)