[API Bug] Fields in Events API inconsistent

[stswidwinski]

Fields within the Events API are (mostly) lower camel case. With the apparent exception of:

feedtype (Should be feedType)
sponsorcode (Should be sponsorCode)
apikey (Should be apiKey)

The same or 100% analogous errors are present within all of the events api with snake case some times present (for instance in fields returned by EventSponsors API). All of the fields should be consistent and use a single convention.