~~~~~
2017-08-02
* Few bugfixes.
* New property for `ScopusAbstract()`: `abstract`.
* Change latex key in `ScopusAbstract().bibtex` to <FirstauthorYearTitlefirstwordTitlelastword>.
* Raise ValueError in `ScopusAbstract()` if .bibtex or .ris is called on an item whose aggregationType is not Journal.
* Improved docstrings for `ScopusAbstract()`.
* New properties for `ScopusAffiliation()`: `api_url`, `date_created`, `org_type`, `org_domain`, `org_url`.
* In `ScopusAffiliation()`, the `affiliation_id` returns the Scopus Affiliation ID from the result rather than the used aff_id.