update required pkg versions v0.1.4

Author: raymondben

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: quantarcticR
 Title: Access to Quantarctica Data Sets
-Version: 0.1.3
+Version: 0.1.4
 Authors@R: c(person("Kim", "Fitter", email = "kim@validly.co", role = "aut"),
              person("Charl\ue8ne", "Guillaumot", role = "aut"),
              person("David", "Ranzolin", email = "daranzolin@gmail.com", role = "aut"),
@@ -10,7 +10,7 @@ Description: Quantarctica is a collection of Antarctic geographical datasets whi
 Depends: R (>= 3.3.0)
 Imports:
   assertthat,
-  bowerbird (>= 0.8.2),
+  bowerbird (>= 0.16.6),
   fs,
   httr,
   rappdirs,