v0.6.19

JET v0.6.19

Diff since v0.6.18

Closed issues:

• Distinguish "will throw" from "may throw" (#309)
• Mention report_package in README and Docs index (#347)
• Result of @report_opt depends on whether there were previous @report_opt calls (#352)

Merged pull requests:

• tidy up global cache management (#433) (@aviatesk)
• sort out global code cache API (#434) (@aviatesk)
• add @atomic on store into (mi::Methodnstance).uninferred (#435) (@aviatesk)
• unify JET[Global|Local]Cache into AbstractAnalyzerView (#436) (@aviatesk)
• simplify to UndefVarErrorReport (#437) (@aviatesk)