FindJSONFilesInDir finds the JSON files in a directory.

GetIntFromInterface attempts to convert an empty interface value to an integer.

IsNil returns true if the object is nil.

RequireNil throws an error if var is not nil.

RequireNoErrorOnClose ensures there is not an error when calling Close.

RequireNotNil throws an error if var is nil.

VerifyConnStringOptions verifies the options on the connection string.