Corrected documented value for P (= -1!). Instead of repeating the assignment P=-1 in multiple internal functions, it might be advisable to define a class-wide parameter?

python/damask/orientation.py

@@ -20,7 +20,7 @@ class Quaternion:
     Convention 4: Euler angle triplets are implemented using the Bunge convention,
                   with the angular ranges as [0, 2π],[0, π],[0, 2π]
     Convention 5: the rotation angle ω is limited to the interval [0, π]
-    Convention 6: P = 1 (as default)
+    Convention 6: P = -1 (as default)
     
     w is the real part, (x, y, z) are the imaginary parts.