v0.3.0

New functions

• pull_cited_refs() added to pull a publication's cited references (#5)
• pull_related_recs() added to pull a publication's set of related references
• create_ut_quereis() added to create a list of UT-based queries

Misc

• An error is no longer thrown when user attempts IP-based authentication (#6)
• write_wos_data() now creates the directory to write files to if it doesn't already exist