Removed TestLog file.

Added line/column counters to the custom code UI part.
Added new tab for the form to be shown.
Removed QL* prefix from several files.
Added a new algebra project which constructs UI elements (Algebra.QL.Form).
Edited GOLD.Engine to store both the start and end locations of tokens.
Moved some code around in GOLD.Engine so parsing state information is no longer stored on class level but instead only exists during parsing.
Replaced some throws with assertions instead.
Moved the 'goto' statement from the core QL language to the extended version.
Adapted error reporting code to utilize the new start position information.
Changed default values for DateTime from MinValue to UtcNow.