autoloading test files
added phpdoc
Implementing Comparable based on introduced ordinal value
Helper class for arrays has been added
Checking reference to speed-up equality check, fixes #1
removed unnecessary slashes, using str_replace instead
fixed line ending issue
fixed line ending issue
DateInterval can be created from TimeUnit
Validating UUID string representation
fromString can be called only with a string
Preconditions added
using Preconditions where possible
improved documentation, Enum::toString() contains only the name
README added
links added
missing init() call added
updated doc
analytics tools added
fixed links