add Utils::splitLines

Signed-off-by: Graham Campbell <graham@mineuk.com>
Updated PhpdocParamsFixer not to change line endings
bug #861 Updated PhpdocParamsFixer not to change line endings (keradus, GrahamCampbell)

This PR was merged into the 1.4 branch.

Discussion
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Updated PhpdocParamsFixer not to change line endings

Commits
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3f739d0 Updated PhpdocParamsFixer not to change line endings
d7c8a31 add Utils::splitLines