##### 1.1.3:
    Throw error for non-planar formats.

##### 1.1.2:
    Fixed memory leak.

##### 1.1.1:
    Fixed memory misalignment for AviSynth 2.6.

##### 1.1.0:
    Added scthresh paramter.

##### 1.0.0:
    Port of the VapourSynth plugin TTempSmooth r3.1.