README update [skip ci]
only app key and oauth token needed for oauth credentials
README update
refresh card vcr cassettes
normalize client paths with camelization

handle callbackURL as special case in converting body keys

additional assertions in post requests

WIP client paths

remove duplicated simplecov

WIP extract path helpers for client

WIP normalize client paths

WIP normalize client paths

WIP extract client path helpers

WIP normalize client paths
README update [skip ci]
Rename app key method
Add update_action_text endpoint
Add update board field resource
add endpoint for adding/updating board memberships
add Member resource
add fetch_field and fetch_resource
use format=progress in guard rspec
normalize default required client params

includes adding special cases for camelization like callbackURL
consume member endpoint as Member resource
implement Member as a Resource wrapper
support Member#boards as a set of Boards; use Model to wrap resource rather than inherit from
Client#to_s should be public