#7 Alternate implementation - Moved parameter validation into the CAS_Client.

Proxied-service tests are currently failing because the tests don't properly
authenticate the user due to older implementations of CAS_Client->_callback()
exiting. Now that it throws a CAS_GracefullTerminationException we should be
able to fully mock the PGT storage process.
# 7 Fixed classname in type-check.
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Merge pull request #66 from adoy/master

CURL >= 7.28.0 no longer support value 1 for CURLOPT_SSL_VERIFYHOST)
Merge pull request #65 from WhiteSpace-Strippers/master

AUTOMATED: WhiteSpace Removal
#7 streamlining of exception throwing, new exception classes, few style
corrections, corretion of a couple of logic errors
#7 Move the markAuthenticationCall() call to a different location to
also include all previously authentiated users.
minor typo fixed
Merge pull request #70 from effhaa/patch-2

Minor Typo in German translation
#7 fix visibility of some of the functions
#7 all validation calls should be public
Merge branch '7_parameter_validation_in_client'
Fix small naming issues and debug infos
#67 add example on how to properly secure the session cookie
#67 fix example text descriptions
#68 allow for multiple server CAS connections with one phpcas client on
one server by adding the CAS server url to the phpcas session cookie
as new variable
#68 add multi server logout() capabilities.
Added composer.json for composer support
Revert "#68 allow for multiple server CAS connections with one phpcas client on one server by adding the CAS server url to the phpcas session cookie as new variable"

This reverts commit c3cb3ab37ca7d6bc82d52b2b602834c6799f5d6b.
Revert "#68 add multi server logout() capabilities."

This reverts commit 550c0eb0be607ee72b1c0fd568c5e71ce66d6f9a.