operations.split_curve

[GabrielJMS]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

ctrlpts = [[1.15172946556, -0.793717672594, 0.933672039573],
[1.1518952086, -0.793708770555, 0.933608435395],
[1.15206095164, -0.793699868517, 0.933544831218],
[1.15222669467, -0.793690966478, 0.93348122704],
[1.15272633787, -0.793664130701, 0.933289488101],
[1.1531929054699999, -0.7934084417080001, 0.9331344375280001],
[1.1534493163300001, -0.7931431955970001, 0.933061562775],
[1.15370516404, -0.7926548375820001, 0.9330119698329999],
[1.1537477257400002, -0.7921211122790001, 0.9330501527689999],
[1.15376183642, -0.791944163861, 0.9330628117349999],
[1.1537759471, -0.7917672154430001, 0.9330754707],
[1.1537900577800002, -0.791590267025, 0.933088129665]]

curve = BSpline.Curve()
curve. Degree= 5
curve.ctrlpts = ctrlpts
curve.knotvector = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.24999999999999975, 0.24999999999999975, 0.24999999999999975, 0.75, 0.75, 0.75,
1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
curves = operations.split_curve(curve, 0.2499999955077846)

2. See error
   File "Python\Python310\site-packages\geomdl\operations.py", line 969, in split_curve
   curve1.set_ctrlpts(curve1_ctrlpts)
   File "Python\Python310\site-packages\geomdl\abstract.py", line 957, in set_ctrlpts
   raise GeomdlException("Number of control points should be at least degree + 1")
   geomdl.exceptions.GeomdlException: GEOMDL ERROR: Number of control points should be at least degree + 1

Expected Behavior
A clear and concise description of what you expected to happen.
Error whiling trying to split a BSpline curve using operations.split_curve.
Configuration:

• OS: Windows 10
• Python distribution: python.org
• Python version: 3.10
• geomdl install source: PyPI
• geomdl version/branch: geomdl v5.3.1

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