v0.7.4

With this release, we turned back on the direct access and improve some errors mgmt.
We are getting ready for the release 1.0

What's Changed

• Fix some possible out-of-bound accesses in process_preprocesed_{file,line} by @glandium in #1980
• Fix test_parse_arguments_multiarch_cache_disabled by @glandium in #1984
• Add support for -- on clang/clang-cl command-line by @glandium in #1983
• Remove uses of Lazy<Mutex> by @glandium in #1985
• Catch panics in the server and transmit them as errors to the client. by @glandium in #1981
• Only activate direct mode by default for local by @Alphare in #1973
• Remove some unnecessary clones by @glandium in #1986
• Activate direct mode when e.g. SCCACHE_DIR is set. by @glandium in #1987

Full Changelog: v0.7.3...v0.7.4