Shorten function name

Author: ehrenfeu

CHANGELOG.md

@@ -11,6 +11,7 @@
     `os.path.join` except that it will work with `java.io.File` objects as well
     (but doesn't support more than two path components / parameters).
   * `imcflibs.pathtools.find_dirs_containing_filetype`
+  * `imcflibs.pathtools.folder_size`
 * New functions in `imcflibs.imagej.misc`:
   * `imcflibs.imagej.misc.calculate_mean_and_stdv`
   * `imcflibs.imagej.misc.elapsed_time_since`

src/imcflibs/pathtools.py

@@ -300,7 +300,7 @@ def find_dirs_containing_filetype(source, filetype):
     return dirs_containing_filetype
 
 
-def get_folder_size(source):
+def folder_size(source):
     """Get the total size of a given directory and its subdirectories.
 
     Parameters