$if conditional not possible inside $ifdef block

[Anders Melander]

The following snippet cause a compile time error.

Syntax Error: Unbalanced conditional directive [line: 5, column: 3]

{$ifdef CompilerVersion}
  {$if CompilerVersion <> 1}
  //
  {$endif}
{$endif}

[Eric Grange]

Fixed Issue #71 + test Minimize further errors related to failed overload resolution

→ <<cset 3a099b969799>>