Replacing csv sequence decimal and seperator signs throuout code and examples

decimal sign now point, seperator now comma

src/csv_threading.py

@@ -112,13 +112,13 @@ class ExecCSVThread(Thread):
 
 
 def read_csv_to_array(filepath):  # convert a given csv file to a numpy array
-    # csv format: time (s); xField (T); yField (T); zField (T) (german excel)
+    # csv format: time [s], xField [T], yField [T], zField [T] (german excel)
     # decimal or period commas. Do not use these characters as a thousands seperator!
     with open(filepath, 'r') as csv_file:
         # Normalize seperators
-        csv_string = csv_file.read().replace(',', '.')
+        csv_string = csv_file.read()
         # read csv file without column headers
-        file = pandas.read_csv(StringIO(csv_string), sep=';', decimal='.', header=0)
+        file = pandas.read_csv(StringIO(csv_string), sep=',', decimal='.', header=0)
         array = file.to_numpy()  # convert csv to array
         return array