basic gitignore for M::S files
ignore dist files of any version
i hate this, but CTEs didn't exist in PG when the legacy DataStore was written, plus it did a Very Stupid Thing to discern what type of query was being issued -- rewritten DataStore is/will be much better about this sort of thing... in the meantime, there are users of the legacy branch that would like to use CTEs
add YAML::Syck to build deps, since it's effectively required for almost all normal operation