Merge pull request schmittjoh#27 from matteosister/patch-1

small typo in Option.php doc comment

Merge pull request schmittjoh#10 from asm89/foreachable

Make it possible to consume the Option value using foreach

simplifies method

Merge pull request schmittjoh#7 from pborreli/patch-1

Fixed typo

adds getOrThrow method

adds select/reject methods

minor tweaks