Rename getVersions() to getFieldVersions(). Add getItemVersions() to retrieve the versions of an item as a whole instead of only a single field. Alias getVersions() to both depending on if  is passed
SoapFault expects 2 parameters, this wasn't always given. Added curl_errno() in several cases. Fix a bit of spacing issues (IDE automatically did some of it (not the real purpose of this commit).
Forgot to add getColumnVersions alias
Merge pull request #51 from nesl247/fix_sponlineauth_soap_error

SoapFault expects 2 parameters, this wasn't always given. Added curl_err...
Merge pull request #50 from nesl247/item_versions

Rename getVersions() to getFieldVersions(). Add getItemVersions() to ret...
Bump version + tweak tabbing