fix and remove GetUserContribRevInfos
remove extra test
new operations, some docs, and new testing structure
a little bit of progress monitoring
resolve minor merge conflicts
tweak the operation example testing
add quick note on GetTalkContent
pop some TODOs, add a lot more
add more TODOs, notes
a couple more notes
subop deduplication passing all tests
fix minor bug and add advanced implementation notes/plans
add type to WapitiModelAttr, more notes, fixed a couple bugs