Adds Custom View Support / Updating multiple records

[tonekk]

Hi there,

I created methods for querrying custom views + updating multiple records (which doesnt seem to work and i can figure out why).

Creating this pull request because u might be interested in those features.

[amalc]

(which doesnt seem to work and i can figure out why).

@fheemeyer Just wanted to confirm that you mean't "can" and not 'can't".

[tonekk]

Yes, you are right. Zoho API gives some strange error here.