dataRetrieval 1.2.2
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* Added getDataAvailability function to find measured parameters and period of record information for a requested station

* Added constructNWISURL function to get the URL that is used to retrieve the data


dataRetrieval 1.2.1
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* Improved documentation, especially example functions.

* Improved vignette for a more complete walk-through.

* Expanded the capabilities to retrieve raw data from the web services.

* Added Storet data retrievals in getWQPData function