Upgrade Pytorch

Changelog

1.0.0

Full Changelog

Closed issues:

• Question about the running speed of Pyflann and Faiss for the SAM model #40
• SyntaxError #37
• Values in hidden become nan #35
• PySide dependency error #33
• faiss error #32
• Issues when using pytorch 0.4 #31
• TypeError: cat received an invalid combination of arguments - got (list, int), but expected one of: #29

Merged pull requests:

• Port to pytorch 1.x #41 (ixaxaar)
• fix parens in example usage and gpu usage for SAM #30 (kierkegaard13)