serialization of KDTree, BST and BioTree

See merge request schankuc/2XB3!7

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functions for longitude and latitude

instead of String

objects, edits to FileProcessor to store the processed records in the
DataStore object.

comments on GeneralCompare

Original commit message:
very first minimally working (for building) KD tree, search next

of nodes by scientific name to reduce API calls; TODO for Winnie: send
non-WORMS entries as scientificName instead, TODO for Ray: finish the
fuzzy matching API call for entries with misspelled names.