Labstep

Added
- `PurchaseOrder` model and repository
- `newPurchaseOrder`, `getPurchaseOrder`, `getPurchaseOrders` to `User` model
- `Collaborator` model and repository
- `assign` method to assignable entities
- `ExperimentTemplate` model
- `WorkspaceRolePermission` model and repository

Changed
- Rename `PermissionRole` to `WorkspaceRole`

Fixed
- Bug in `User.update` method
- `Device.getDeviceCategory` would crash if there was no device category

Added
- `description` parameter to `Device.addDeviceBooking` and `DeviceBooking.edit`

Added
- `ApiKey` model and repository
- `newAPIKey`, `getAPIKey`, `getAPIKeys` to `User` model
- `JupyterSchedule` model and repository
- `newJupyterSchedule` and `getJupyterSchedule` methods added to `JupyterNotebook` model
- `run` method added to `JupyterNotebook` model
- `Notification` model and repository
- `getNotification` and `getNotifications` to `User` model
- `DeviceBooking` model and repository
- `addDeviceBooking`, `getDeviceBooking`, `getDeviceBookings` to `Device` model

Fixed
- Export handles TIFF images by converting to png

Fixed
- Bug in helper methods when converting between Data Tables and Data Frames

No changes