0.2.3

• Filter out pre-cached images by @mwarres (#98).
• Add "deps" to custom dictionary by @mwarres (#112).
• Improve test modularity by @mwarres (#110).
• Wrap a long line by @mwarres (#122).
• Type nthCalledWith asserts by @mwarres (#121).
• Reorder some asserts to match production code by @mwarres (#128).
• Move a comment for clarity by @mwarres (#129).
• Assert cache not saved on hit by @mwarres (#131).
• Assert child_process.exec called precisely once in mockedExec by @mwarres (#134).

Full Changelog: 0.2.2...0.2.3