50% done new limitspec structure; pop off some TODOs
remove SubjectResolvingQueryOperation (supplanted by PageInfo model)
robustified per_query_limit setting. added default limit of ALL
Merge pull request #8 from slaporte/master

fix for operations with input_field = None
resolve merge conflict
move MaxInt to utils
import Param types from the params module
remove __init__()s which on Operations which did not take an input_param
remove feedbackv4, couple of loose ends
if an Operation's input_field is not None, then it is by default required
remove errant pdb, unused import
wapiti client gets source info
resolving merge conflict