Update BCrypt/BCrypt.php

Check for 7-bit characters in password (PHP_VERSION < 5.3.7) becouse it can potentially be a flaw
Update Tests/BCrypt/BCryptTest.php

Updated test in function testHash to pass $password parameter to BCrypt::getAlgorithmId
Update BCrypt/BCrypt.php

Added checkAlgorithmConstraints($algoId, $password) in order to check for possible constraints of the given algo
Update BCrypt/BCrypt.php

typo
Update BCrypt/BCrypt.php
Update Tests/BCrypt/BCryptTest.php
Update BCrypt/BCrypt.php

Indent
Update Tests/BCrypt/BCryptTest.php

Added test testCheckAlgorithmConstraintsNonAsciiPassword()
Merge pull request #5 from amurdaca/patch-2

Exception for PHP < 5.3.7 and 8bit characters