fix issue 34

Handle different type of api exceptions (meteomatics#9)

Update version to 2.0.3

Add parsing of ens_select string to extend response parameters

Fix Python3 relative imports

Update to version 2.0.0

Update to version 1.5.4

Visual changes

Change version to 1.5.2

New version 1.5.1

Fix reading number of parameters when converting time series
Convert dates in sql format