Pyvisca

- New: Manual adjustment of camera's gain control
- New: Freezing the camera view

- Fixed: Cannot close port when opened
- New: Manual setting of camera focus
- New: Manual adjustment of camera aperture
- New: Toggling on/off of backlight compensation

- Info: Converted from Python 2.0 to Python 3.0
- New: Ability to zoom in/out the camera
- New: Ability to set and recall presets
- New: Ability to turn the PTZ camera on and off
- New: Ability to change iris setting
- New: Ability to change brightness setting

- Info: Initial forking of the repository from the work by Matthew Mage
- New: Panning the camera left, up, right, and down
- New: Homing the camera position to its default position
- New: Enabling autofocus of camera lens
- New: Setting picture effect (on supported devices only)
- New: Setting white balance
- New: Move relative to the current position