rvertnet 0.3.0

NEW FEATURES

• searchbyterm() and bigsearch() have some parameters that accept multiple values.
  Fixed to allow this (#37)
• Internals of searchbyterm(), spatialsearch(), and vertsearch() reworked to
  use cursor so we internally do paging for you for bigger result sets. (#25)

MINOR IMPROVEMENTS

• Replaced data.table import with dplyr
• Using skip_on_cran() (#38)
• Minor vignette updates (#35)
• Metadata now returned in data requests (#33)