rappdirs 0.3.3

• rappdirs functions are no longer vectorised; this was an accidental change
  in 0.3.2 (#32).

rappdirs 0.3.2

• user_data_dir(), use_cache_dir() and use_config_dir() now respect
  R_USER_DATA_DIR, R_USER_CACHE_DIR and R_USER_CONFIG_DIR env vars
  (#27).

• No longer uses methods package.

rappdirs 0.3.1

Minor R CMD check and test fixes.

rappdirs 0.3

• first CRAN release
• xxx_dir() functions only use version when appname is not null
• docs: basic package docs (?rappdirs)
• docs: clarify primary purpose of os argument in xxx_dir() i.e. testing
• fix typo in function name in README.md (app_dirs -> app_dir)
• dev: add travis continuous integration
• dev: add rstudio project
• dev: update to roxygen2 v4.0.1