get: copy to current dir by default

If no destination argument is given, write to a file of the same
basename in the current directory, rather than attempting to write
into the same directory structure locally.
Add chmod command (uses octal only, needs symbolic)
Fixed HdfsPath combine operator (was breaking bash completion)
hh 0.3
ls: show individual filename (fixes #8)
ls: complete on filenames (fixes #7)
Removed trimEnd (unused)
Fixed warning, info is defined in Options.Applicative
Fixed completion for paths starting with ./
Print errors to stderr
Support for find, including globbed file names
hh 0.4
Updated description for Hackage
Bump hadoop-rpc to 0.1.1
Infinite loop fixed upstream
chmod: add tests
chmod: generalize
chmod: fold over a comma separated list of specifiers
chmod: Add symbolic designators

Supports comma-separated ([ugoa][=+-]([rwx]*|[ugo]))*
chmod: bugfix for 'chmod a'

Interpret as 777 octal, not decimal.