Fix windows environment issue #27

Fixes the issue reported in #27 , where windows close the channels before we can read from them.

Add delay option to commandline client

Solves #14 by adding a -delay option to manually set the timeout before printing the command output to the terminal.

Move key in query parameter to hash parameter

Fixes #10 e2ee vulnerability since the query parameter gets sent to the webserver as well and thus the password to encrypt the data.
Moves ?key=123 to #key=123.

v1.0.0

Initial working version.