memento support enabled by default, togglable via 'enable_memento' config property
supporting timegate and memento apis, no timemap yet
supporting pattern 2.3 for archival and pattern 1.3 for proxy modes
also:
simplify exception hierarchy a bit more, move down to utils
make WbRequest and WbResponse extensible with mixins (eg for memento)
instead of strptime to automatically clamp timestamp to allowed
range (instead of erroring) on invalid timestamps.
returns datetime.datetime as advertised instead of struct_time as well
move to distinct packages: pywb.utils, pywb.cdx, pywb.warc, pywb.util, pywb.rewrite!
each package will have its own README and tests
shared sample_data and install