Test pre-condition can leads to race-conditions.
Also current code was hiding SMB error.

And fix `new Buffer()` uses.

Having `.name` property defined helps for debugging.

Async methods return promises if no callbacks is passed.

ESLint is used directly.

Fixes #16.

fix reading of big files

Fix big files

SMB Create request code documentation.

createWriteStream supports 'wx'/'w+x' flags.

Conflicts:
	README.md
	package.json