0.4.0

• Switch to semver 1.0 (#39, thanks to @dtolnay)

0.3.3

• Remove requirement that minor LLVM version is always 0
• Allow (but ignore) micro part of LLVM version (fixes #37)

0.3.2

• Make parser more robust to input variations (fixes #11)

0.3.1

• Parse LLVM version (#31, thanks to @programmerjake)
• Improve error output for command errors (fixes #33)