37 Test file number 192

  37.1 Problem number 64
  37.2 Problem number 65
  37.3 Problem number 116
  37.4 Problem number 172

Test folder name:

test_cases/7_Inverse_hyperbolic_functions/7.3_Inverse_hyperbolic_tangent/192_7.3.2-d_x-^m-a+b_arctanh-c_x^n-^p