decompose_path now returns a data frame
decompose path now deals with empty input
added test for zero length input
decompose_path returns character columns, not factors; is consistent with class
recompose_path has safety coersion of extension column to character
decompose_path's row names work again with missing values
fixed test for general path decomposition
fixed test for decompose_path empty input
removed dupe test
fixed test for decompose_path with factor input
added Janko to the DESCRIPTION
Merge branch 'master' of github.com:richierocks/pathological
removed .Rproj.user files from git repo
rev3
fixed conflicts
* /R/paths.R:
  - changed own version of 'dir_copy' to 'dir_copy_rappster'; 'dir_copy'
    corresponds to original version again
  - changed own version of 'recompose_path' to 'recompose_path_rappster';
    'recompose_path' corresponds to original version again
  - some minor merge conflicts fixed: