Initial commit.
Move requirements to README.md
Fix typo.

Thanks. Credits to PeterTheOne.
Move stack to first top position of classes.
Add @config annotation for htmlspecialchars.
Normalize documentation.
Bugfix map() method.
Prefer single quotes over double quotes.
Remove redundant array_values call.
Bugfix shuffle().
Reduce if-condition to one line.
"capitalize" -> "titlecase". Remove underscores in method names.

-    function capitalize($string)
+    function titlecase($string)

Prefer camelcase notation over underscores in method names.
Fix Exception calls.
Fix underscore in function name. Use CamelCase syntax.
Bugfix titlecase. Bugfix camelcase. Magic methods for Stack.
Various bugfixes for unfuck.php
Switch from -1 to INFINITY constant.
Bugfixes. improve intersect. deprecate INFINITY.

* array parameter for intersect allowed.
* INFINITY becomes INFINITE_SIZE
* improve __toString with var_export
Bugfix pad method.
pushElement() must not accept 0 parameters.