Cause and stacktrace analysis for exceptions

The stacktrace parser.

Parser for stacktraces in the Aviso format.

Parser for stacktraces in the `clojure.repl` format.

Parser for stacktraces in the `clojure.stacktrace` format.

Parser for stacktraces in Clojure's tagged literal format.

Convert `java.lang.Throwable` instances into the `Throwable->map` data format.

Parser for stacktraces in the Java format.

Utility functions used by the stacktrace parsers.