Crispy Plotter version 1.0 released

This is the first and yet stable release of Crispy Plotter with the following features:
* Graph view can be freely zoomed and scrolled
* Up to 12 functions can be displayed
* Plug-in System, which allows additional functionality through external DLL files
* Visual quality of plotting can be adjusted to the need of slower machines
* Automatic parameter recognition
* Plotter can display graphs of real functions with arbitrary complexity
* Open GL support for hardware accelerated Graph rendering
* Several pre-defined functions (e.g. sin(x) or ln(x))
* Support for Pi and e constants
* Color themes
* Function library, which stores functions in a folder hierarchy