Some tests for SimpleLFO v0.1

gistfile1.txt

### 0.25Hz LFOs ...
lfos = (synthio.LFO(rate=1/4,
                      scale=500.0,
                      once=False),
        SimpleLFO(rate=1/4,
                         scale=500.0,
                         once=True),
                         
        SimpleLFO(rate=1/4,
                         waveform="square",
                         scale=500.0,
                         once=False),
        SimpleLFO(rate=1/4,
                         waveform="square",
                         scale=500.0,
                         once=True),

        SimpleLFO(rate=1/4,
                         waveform="sine",
                         scale=500.0,
                         once=False),
        SimpleLFO(rate=1/4,
                         waveform="sine",
                         scale=500.0,
                         once=True),
        SimpleLFO(rate=1/4,
                         waveform="sawtooth",
                         scale=500.0,
                         once=False),
        SimpleLFO(rate=1/4,
                         waveform="sawtooth",
                         scale=500.0,
                         once=True), 
 
        SimpleLFO(rate=1/4,
                  scale=500.0,
                  once=True,
                  nowrap=True  ### Checking behaviour for over-riding nowrap
                  ),
        SimpleLFO(rate=1/4,
                         waveform="uniramp",
                         scale=500.0,
                         interpolate=True,
                         once=True),
        SimpleLFO(rate=1/4,
                        waveform=[32767, -32767],
                         scale=500.0,
                         interpolate=True,
                         once=True),
        SimpleLFO(rate=1/4,
                        waveform=[32767, 24576, 16384, 8192],
                         scale=500.0,
                         interpolate=False,
                         once=True)                 
                         )