Merge pull request #11 from daghf/3.0

Per-thread storage for cookie lists + test case
Merge pull request #13 from daghf/3.0

Make sure we don't leak memory on vcl reload.
Merge pull request #14 from daghf/3.0

Fix up a potential synchronization issue in the test case
Document when state is persisted. (worker thread may change between vcl calls)
Whitespace fix
fix rst syntax error as follows:

  rst2man README.rst vmod_cookie.3
  README.rst:58: (WARNING/2) Definition list ends without a blank line; unexpected unindent.
  README.rst:60: (ERROR/3) Unexpected indentation.
Merge pull request #16 from quiver/fix-rst-syntax

fix rst syntax error as follows: