Update cheatsheet to v49
Update cheatsheet to v49

Added new section Datafy with these functions:

    clojure.datafy/datafy
    clojure.datafy/nav

Added new section IO / tap with these functions:

    tap> add-tap remove-tap

Added these functions to section Java Interoperation / Exceptions:

    clojure.core/Throwable->map
    clojure.main/err->msg
    clojure.main/report-error

clojure/clojure-site