[94] Problems with node's name contains colon (:)

[prmtl]

Reported by susem...@gmail.com, 2014-07-23T17:02:43Z

What steps will reproduce the problem?

1. Trying to make an output with node A(name="aaaa::bbbb") and node B(name="cccc::dddd") and edge A -> B

In a dot language, the expected output was "aaaa::bbbb" -> "cccc::dddd",
but it returns "aaaa:":bbbb -> "cccc:":dddd.

What version of the product are you using? On what operating system?

It happens on a latest version.

Please provide any additional information below.

From: https://code.google.com/p/pydot/issues/detail?id=94