RSA: auto-detect public keys vs private keys
RSA: update unit test file
PHP 5.3+: Replace custom autoloader with composer autoloader.
Merge pull request #357 from bantu/tests-composer-autoloader-php5

[php5] Use composer autoloader in test bootstrap.

* bantu/tests-composer-autoloader-php5:
  PHP 5.3+: Replace custom autoloader with composer autoloader.
Merge pull request #325 from terrafrost/rsa-public-key

RSA: auto-detect public keys vs private keys

* terrafrost/rsa-public-key:
  RSA: update unit test file
  RSA: auto-detect public keys vs private keys
Merge branch 'master' into php5

* master:
  RSA: update unit test file
  RSA: auto-detect public keys vs private keys
Adjust documentation to coding guidelines: No () around include.
Merge pull request #359 from bantu/ticket/301

Adjust documentation to coding guidelines: No () around include.

* bantu/ticket/301:
  Adjust documentation to coding guidelines: No () around include.
Merge branch 'master' into php5

* master:
  Adjust documentation to coding guidelines: No () around include.
Add PSR4 namespace to composer.json.
Use __construct.
Add namespace statement. Rename class.
Remove any include statement.
Use namespace in example code.
Reference to instances as BigInteger instead of Math_BigInteger.
Replace new Math_BigInteger with new static.
Adjust test cases using Math_BigInteger.
Some more documentation polishing in Math/BigInteger.php.
Update users of Math_BigInteger.