Downloaded missing files and fixed some errors

Created a try except block for windows and colab users. 
Downloaded the files using wget, unzipped the files and then untarred them. 
Modified the path and corrected some errors(created glove.6B folder before unzipping the file).
Corrected the Unicode error. 
Added a if condition for removing an error caused by ‘unsup’ in ‘get_data’ function.

Author: jatinpapreja