• Avoided error when trying to resize in environments where HQScaler is not available.
• Improved bilinear interpolation quality with down scaling, and added bicubic.
• Avoid chroma shifting problems with y4m files that do not have color space information. Changed default to YV12.
• Avoid "pgs_frame_merge missing error" in Linux environment.
• Added --no-deblock option. ( #81 )