Updating to use PHPUnit 4 for tests
To be consistent with branding, changed all "VirtPHP" to "virtPHP"
Merge pull request #44 from ramsey/name-updates

Consistent Branding
Added a logs folder where we dump the pear install results into a file called pear_log.txt
Merge remote-tracking branch 'upstream/master'
Getting tests to pass but adding in extra result for new exists call.
Merge pull request #47 from jwoodcock/master

Pear Logging
Added change notes for release 0.5.1