additions, exercuse changes, tweaks throu loop chapters (ch 8), 2 new examples
Merge pull request #15 from anharrington/master

additions, exercise changes, tweaks through loop chapters (ch 8), 2 new ex...
Merge pull request #16 from gkthiruvathukal/master

Updated deploy script to be silent when using pushd/popd
Fix for broken pipe issue

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>