Define time using std::chrono::nanosecond whenever possible, than if needed for I/O convert to micro/milli-seconds

docs/python_client/docs/Detector.md

@@ -13,8 +13,8 @@ Name | Type | Description | Notes
 **module_sync** | **bool** | Use module 0 as master for timing. Only applies to JUNGFRAU detector (this cannot be turned off for EIGER). | [optional] [default to True]
 **sensor_thickness_um** | **float** |  | [optional] [default to 320]
 **readout_time_ns** | **int** | Minimum difference between frame time and count time in microseconds Defaults are 3'000 ns for EIGER and 20'000 ns for JUNGFRAU  | [optional] 
-**minimum_count_time_us** | **int** | Minimum count time available for the detector. | [optional] 
-**minimum_frame_time_us** | **int** | Minimum frame time available for the detector. | [optional] 
+**min_count_time_ns** | **int** | Minimum count time available for the detector. | [optional] 
+**min_frame_time_ns** | **int** | Minimum frame time available for the detector. | [optional] 
 **calibration_file** | **List[str]** | Can be empty for all detectors - default calibration used. For JUNGFRAU: list of gain files, one entry per module. For EIGER: one directory (with detector settings) or list of trim bit files, one entry per half-module.  | [optional] 
 **hostname** | **List[str]** | Hostname for detector module. One entry per module One entry per module. Either empty or number of module entries.  | [optional] 
 **sensor_material** | **str** |  | [optional] [default to 'Si']

docs/python_client/docs/DetectorListElement.md

@@ -15,8 +15,8 @@ Name | Type | Description | Notes
 **height** | **int** |  | 
 **pixel_size_mm** | **float** |  | [optional] 
 **readout_time_ns** | **int** |  | 
-**min_frame_time_us** | **int** |  | 
-**min_count_time_us** | **int** |  | 
+**min_frame_time_ns** | **int** |  | 
+**min_count_time_ns** | **int** |  | 
 **type** | [**DetectorType**](DetectorType.md) |  | [optional] 
 
 ## Example