Also fail if fwrite() returns 0, not only if it returns false.

Closes #34.
Makes tests pass for everybody.

The date tests were dependent on the server's timezone settings.
Adds tests for prefix notation.
Adds support for the prefix notation.

Closes #38.
Merge pull request #39 from Phally/dev-tests

Makes tests pass for everybody. (date tests where time-zone dependant)
Merge pull request #40 from Phally/dev-prefix-notation

Adds support for the prefix notation
Implement cursor->close(). This implements #42.
Treat strings that could be numbers as strings.
Implemented indexCreateMulti.

Closes #35.
Merge branch 'dev'