0.11.1

bb7f7be classlib: If error thrown during initClassTree then post normal raw error
47ebe05 move sc-classes -> supercollider-js for increased obviousness
fd826a5 Reject promise on failure of spawn process (sclang/scsynth)
3747f47 Cleaner compile state handling
713e8cf Optionally allow sclang to boot if the supplied sclang_conf does not yet exist. Catch error and reject Promise if options.failIfSclangConfIsMissing.
db11408 fix: when saving sclang_config remove supercollider js classes and then reinsert them and save to the temp runtime config file.
a51d2bd Update README with badges, minor text updates
4203e03 dependencies updates
6c9421f resolveOptions: add default path for sclang_conf.yaml