Version 1.1.0

Changelog

• session only gets created when something get stored (solves #2)
• remove session when the last key get deleted (solves #4)
• handle cookies internally and disable php's cookie handling

v1.0.1: Merge pull request #6 from tflori/fix-cookieLifetime

changelog

• fix cookie lifetime after reusing a session (solves #5)

v1.0.0

add package info to readme