Python-bond

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* Performance/documentation tweaks.

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* Added support for "Quoted expressions". ``call()`` can now be used on remote
functions expecting one or more remote unserializable objects as their
arguments, without the need of a support function and/or ``eval()``.

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* PHP's error level can now be controlled through the ``_BOND_error_level()``
function (see the PHP "Limitations" section).
* An initialization race with PHP <= 5.3 (causing intermittent initialization
issues) has been fixed.
* The license has been changed from GPLv2 to GNU GPLv2+.
* A new mailing list for announcements and development discussions has been
created (see the README).

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* PHP output redirection was broken in 1.0; it's now fixed.
* PHP now also redirects error messages to stderr, honouring correctly
``error_reporting()`` and ``display_errors``.

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* The API has been streamlined: ``make_bond()`` is now the primary method of
constructing ``Bond`` objects, independently of the interpreter language.
The old language constructors are still supported, but are deprecated and
will be removed in a future release.
* All functions/objects/methods are now documented with docstrings.
* Bond initialization errors, especially errors related to missing
dependencies, are now much easier to understand.
* Serialization exceptions on the remote side have been renamed to
``_BOND_SerializationException`` for consistency with other languages.
* JavaScript/Node.js support was previously limited to versions >= 0.10. Any
version of Node.js starting with 0.6.12 is now supported.
* PHP support was previously limited to versions >= 5.6. Any version of PHP
starting with 5.3 is now supported.
* A Perl dependency on ``IO::String`` was previously missing, and has now been
correctly documented.

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* Python 3 support has been added, with the ability to mix major Python
versions between the host and the bond.
* All languages/interpreters can now be executed with a remote shell without
using additional arguments.
* On the remote side, ``__PY_BOND_SerializationException`` has been renamed to
``_PY_BOND_SerializationException`` as it can be trapped by the user code.
* The scope of a PHP code block in an exported, recursive call has been fixed.