Change FancyBool to use plus by default

Author: SeeminglyScience

module/ClassExplorer.psm1

@@ -4,6 +4,10 @@ if (-not $PSVersionTable.PSEdition -or $PSVersionTable.PSEdition -eq 'Desktop')
     Import-Module "$PSScriptRoot/bin/Core/ClassExplorer.dll"
 }
 
+if (-not $env:CLASS_EXPLORER_TRUE_CHARACTER) {
+    $env:CLASS_EXPLORER_TRUE_CHARACTER = '+'
+}
+
 Update-FormatData -PrependPath $PSScriptRoot\ClassExplorer.format.ps1xml
 Update-TypeData -PrependPath $PSScriptRoot\ClassExplorer.types.ps1xml -ErrorAction Ignore
 

src/ClassExplorer/Internal/_Format.cs

@@ -184,7 +184,9 @@ public static string FancyBool(bool value, int maxLength = -1)
     {
         if (value)
         {
-            return Success("\u2713", maxLength);
+            return Success(
+                Environment.GetEnvironmentVariable("CLASS_EXPLORER_TRUE_CHARACTER") ?? "+",
+                maxLength);
         }
 
         return Failure("x", maxLength);