TouchDraw 1.1.1

New Features
   * Added the option to include the grid in exported images and PDF's
Bug Fixes
   * Fixed a bug with dependent graphs where they weren't always being loaded correctly. 
   * Fixed a bug with where grouping dependent graphs could cause a crash.
   * Fixed a bug where copied and pasted connected graphs lose their connections on paste.
   * Fixed a bug where locking a connected node could cause the connection to be deleted.