v1.8

Update to include basic python bindings and an example scipy script to allow python-based optimisation to work rather more seamlessly. Also various bug fixes and a new driver to allow direct control of marker positions. The release includes a Windows 64 bit installer, a Windows portable binary, a Ubuntu 64 bit installer, and a MacOSX disk image (Intel). The Windows installer is created using Inno Setup and the Ubuntu installer is created using cqtdeployer.