*Redesigned GUI
+Live-updating address/line# displays on assembly input
+File starting address option for assembly controls
*Refactoring, mostly in MainWindow.cs - reorganized into regions
+Menu strip
+Keyboard shortcuts
+Assembler: Option for 2nd pass to only generate Line objects, not write to the output
+Output panel
+RichTextBoxWithLineNumbers modified from
+Licenses for Be.HexBox and LineNumbers
Up/Down arrows still don't do anything.