tools.php (lec 3) vs Tools.php (lec 4)
In lecture 3 I introduced tools.php, a file with some helper functions including dump.
During lecture 4 (released today) I updated tools.php to Tools.php to make it class based. The original work from tools.php was moved to a file called toolsOriginal.php.
tools v1.0 from Lecture 3: https://github.com/susanBuck/dwa15-php-practice/blob/master/toolsOriginal.php
Tools v2.0 from Lecture 4: https://github.com/susanBuck/dwa15-php-practice/blob/master/Tools.php