v0.1.12

• Merge pull request #1 from implydata/better-handling-of-missing-vars 64cdaa7
• update regex 1735c5b
• fix 8215c1c
• fix test 2929ae4
• add test, add error f27c50c
• allow for || null, also allow flag to not fail if cannot find a variable 4487815
• fix type 2acb166

v0.1.11...v0.1.12