Fixed bug that led to wrong covariance estimator being displayed in summary
Several small fixes and cleanup
Need to copy beta when adding to history
Make sure time is float64
Fixed error due to numpy version
Fixed error due to numpy version
Add discussion of GEE to release notes
Fixed spelling error
Remove redundant type check
Added test
Edits following Josef's review
Improve argument handling of constraint
Inverted scale parameter to conform to standard definition
Minor cleanup
Improve handling of xnames in summary; add dependence parameters to fit history
Fix scale issue in score test
Improved vectorization in nested dependence structure calculations
Further improved vectorization in nested dependence structure calculations
Uploading omitted files form last commit
Moved dependence data parameters from covstruct class to GEE call, since they need to be processed for missing, etc.