Merge pull request #209 from skitt/export-errs-v5 Export errBadJSONDoc and errBadJSONPatch errors

Merge pull request #209 from skitt/export-errs-v5 Export errBadJSONDoc and errBadJSONPatch errors

Upgrade go-flags 

Merge pull request #202 from evanphx/f-html-escape Add option to control if the output is HTMLEscaped

Use a type alias for RawMessage to avoid breaking the public API of O… …peration

Merge pull request #197 from evanphx/f-perf Improve performance

Merge pull request #158 from erickertz/master Fix panic on test op

port over fix for testing/replacing a whole document to v4 

Handle applying to the whole doc. Fixes #142 

Remove go.mod because I guess I do'nt know how go modules work still