utilize peekahead to get around limitations of one-step cogroup; fixes #189
Merge pull request #190 from jdegoes/ready/189

utilize peekahead to get around limitations of one-step cogroup; fixes #...
during a squash, if the buffer has any unwind operations, then require structure and delete _id to avoid choking mongodb's need to index _id
Merge pull request #191 from jdegoes/ready/188

during a squash, if the buffer has any unwind operations, then require s...
call optimize on both sides before doing actual merge to simplify resulting pipelines; fixes #192
Merge pull request #193 from jdegoes/ready/192

call optimize on both sides before doing actual merge to simplify result...
handle PUT/POST/DELETE to /data/fs/[path] (Fixes #140)
Merge pull request #195 from mossprescott/140-mongo-writes-2

handle PUT/POST/DELETE to /data/fs/[path] (Fixes #140)
simplify implementation of &&& in a way that guarantees correct result; fixes #199
Merge pull request #202 from jdegoes/ready/199

simplify implementation of &&& in a way that guarantees correct result; ...