Add Client::peek() to Ethernet library. [imported]

[cmaglie]

This is Issue 349 moved from a Google Code project.
Added by 2010-09-12T20:58:34.000Z by rogue.bh...@gmail.com.
Please review that bug for more context and additional comments, but update this bug.
Closed (Fixed).

Original labels: Type-Enhancement, Priority-Medium, Component-Core, Milestone-0020

Original description

Here are the updates to make the Ethernet Library meet the requirements of the original Stream.h base class (including peek()).