4 - Add mutex to avoid issues when two processes are modifying the same file.
5 - Handle permission issues with .xattr files
7 - Change extension name of sidecar files
12 - Valgrind report on travis
13 - Upload travis generated code coverage somewhere
18 - Fix error code when value size > 64KiB (libfuse bug)
25 - make it endian-independent:
26 - http://www.ibm.com/developerworks/aix/library/au-endianc/index.html
27 - add header to file to determine the format / version of the sidecar
28 - Be able to use a database instead of sidecar files ?
29 - Support multiple namespaces
30 - Make DEBUG a runtime option
36 - Use passthrough_ll code from libfuse
37 - Add option to present all files as symbolic links to original files