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Changes in version 0.6

- Fixed some client library bugs.

- Added a benchmarking client.

- Added a checkpassword client.
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Changes in version 0.5

- Added support for long-running UDP and local-domain socket modules.
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Changes in version 0.3

- Fixed handling of negative values in client library.

- Fixed a bug in the client library that caused handling bad data to not
  indicate any error.
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Changes in version 0.2

- Renamed cvm_unix to cvm-unix.

- Fixed a bug in parsing in fact_uint, which incorrectly used strtol.

- Added more documentation.
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