Implemented Buffer.fill_via_*() methods:
Implemented Buffer.fill_via_*() methods:

- Buffer.fill_via_chebyshev()
- Buffer.fill_via_sine_1()
- Buffer.fill_via_sine_2()
- Buffer.fill_via_sine_3()

Pulgama/supriya,josiah-wolf-oberholtzer/supriya,andrewyoung1991/supriya,Pulgama/supriya,andrewyoung1991/supriya,andrewyoung1991/supriya,Pulgama/supriya,Pulgama/supriya