fixed issue with running a 'git log' with an object that won't rev-parse (file)
-rw-r--r-- 448 History.txt
-rw-r--r-- 1082 LICENSE
-rw-r--r-- 6789 README
-rw-r--r-- 1092 Rakefile
-rw-r--r-- 432 TODO
-rw-r--r-- 3747 benchmark.rb
drwxr-xr-x - bin
drwxr-xr-x - camping
drwxr-xr-x - doc
drwxr-xr-x - lib
drwxr-xr-x - tests