Complete Gekko's datasets - ready files to download and use

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Now the user can choose which pairs he wants to download. It does not have to download 4 GB of data. I did it on purpose. I do not see the point in writing a download script, because the user can do it with one command: wget https://drive.google.com/file/d/18izvqp3...sp=sharing && unzip binance.zip && cp gekko/history

Update
GDAX EUR pairs added to gdrive