Documented RCOperationErrors.
Documented RCRequestKeys.
Documented RCResponseKeys.
Documented RCOrderByTypes.
Documented RCImageAspectRatios.
Documented RCImageSizes.
Documented RCIssueFormats.
Documented RCIssueTypes.
Documented RCFrequencyTypes.
Documented RCDateDescriptors.
Documented RCBooleanValues.
Documented RCOperation.
Documented RCAPIOperation.
Merge branch 'development'