Bug-fix release

Fixes numerous bugs such as adjacency lists having repeat values. Adds implicit support for digraphs with explicit support coming. Adds the ability to create graphs on a blank background.

Win x64: https://sourceforge.net/projects/graph-creator/files/0.8.3/0.8.3-winx64.zip/download
Linux x64: https://sourceforge.net/projects/graph-creator/files/0.8.3/0.8.3-linuxx64.zip/download

First Alpha Release

Windows x64: https://sourceforge.net/projects/graph-creator/files/0.7.7/0.7.7-winx64.zip/download
Ubuntu x64: https://sourceforge.net/projects/graph-creator/files/0.7.7/0.7.7-ubuntux64.tar.gz/download