sometimes CURDIR have speces in it. *sigh*
Use built-in Date#tojson.
Use substring instead of RegExp.

For performance.
Merge pull request #68 from diversario/isodate-format

Use built-in Date#tojson.
Merge pull request #65 from kali/master

sometimes CURDIR have spaces in it. *sigh*
Added package.json (re: #54)

Module should be installed globally.
Upon installation npm runs `make all`
to stitch files and link the output.

Updating the package does the same.

Uninstalling the package via npm removes
the .mongorc file.
Added quotes and rebased.
Merge pull request #70 from diversario/master

package.json
Updated README, set `preferGlobal`

README.md updated with instructions for install from npm.
`package.json` updated to have `preferGlobal` flag to warn
user when package is installed locally.
show size of collections
show collections: padding update
Merge pull request #72 from slayer/master

show size of collections
Merge pull request #71 from diversario/master

Updated README, set `preferGlobal`
Anchor the name of the env var
Merge pull request #74 from pvdb/fix_get_env

Fix `getEnv()` by anchoring the name of the env var
Fix padding for "show collections" command
Bump version number
Merge pull request #75 from pvdb/fix_show_collections_padding

Fix alignment and padding for output of "show collections" cmd
rename show_dbs to show appropriately
Fixes #77

Now mongo hacker fails if ~/.mongorc.js already exists. This is
a more safe behavior for those who may accidentally override their
existing ~/.mongorc.js files without realizing.