Retrieve repository changesets from particular point. (BB-10469)

In API 1.0 there is no option which allow to get changes newer then XXX.

Can it be added?

For example:
/api/1.0/repositories/

{accountname}

/

{repo_slug}

/changesets?since=

{raw_node}

In this case I will get only new updates instead of bunch of useless data which I already got before.