module documentation

diagnostic_updater for Python. @author Brice Rebsamen <brice [dot] rebsamen [gmail]>

Class CompositeDiagnosticTask Merges CompositeDiagnosticTask into a single DiagnosticTask.
Class DiagnosticTask DiagnosticTask is an abstract base class for collecting diagnostic data.
Class DiagnosticTaskVector Internal use only.
Class FunctionDiagnosticTask A DiagnosticTask based on a function.
Class Updater Manages a list of diagnostic tasks, and calls them in a rate-limited manner.