Define minimal supported version of PHP needed into composer.json

Address hoaproject/Central#70.

By changing the code this way, the `current` and `key` methods are
inlinable by the VM if such h...

This iterator acts as a buffer on another iterator. We can go forward as
usual, but we can also ...

The core is being splitted into several libraries. `Hoa\Exception` is
one of them.

There are too many bugs in php-src and HHVM, so we re-implement it from
scratch without extendin...

It does no longer extend \CachingIterator.

getMTime() Return -1 when a file don't exist.

This is simply a counter:

foreach(new Hoa\Iterator\Counter(2, 15, 3) as $v)
var_dum...

Original commit message below.

Add modify time on Windows

on Windows:
getCTime() return the fi...

The previous fix did not work in rare cases. This fix seems to work
well. It avoids a seg fault ...

Demux result from another iterator. This iterator is somehow the
opposite of the Hoa\Iterator\Mu...

Repeat an iterator n-times.

When the multiple iterator has the MIT_NEED_ANY flags, and when one of
the attached iterators ha...

Mock a recursive iterator with no children.
It allows to use regular iterators with a recursive ...