Do not crash anymore if the current project is deleted by another process.

[DEVELOPMENT ENVIRONMENT]
* BUG: Do not crash anymore if the current project is deleted by another process.
* NEW: Add some characters to the special character insertion dialog.

app/src/gambas3/.src/Editor/FInsertChar.class

 ' Gambas class file
 
-Private Const CHAR_LIST As String = "«»¡¿¶°§‸×÷…‰©®™†′″‴‒–—·•‣▪⁕←↑→↓↔↕↖↗↘↙↤↥↦↧↰↱↲↳↴↵↶↷⇄⇅⬅⬆➡⬇⬈⬉⬊⬋⬌⬍■□▲△▴▵▶▷▸▹▼▽▾▿◀◁◂◃►▻◄◅±≃≈≠≤≥⊂⊃⊄⊅∧∨∩∪∀∂∃∄∅∆∇∈∉∋∌∏∐∑∞ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικλμνξοπρστυφχψωℂℍℕℙℚℝℤ⅒⅑⅛⅐⅙⅕¼⅓⅜⅖½⅗⅝⅔¾⅘⅚⅞⁰¹²³⁴⁵⁶⁷⁸⁹₀₁₂₃₄₅₆₇₈₉♭♮♯"
+Private Const CHAR_LIST As String = "«»‘’“”‚„¡¿¶°§µ‸×÷…‰†′″‴©®™¢£¤¥€‒–—·•‣▪⁕◆◼←↑→↓↔↕↖↗↘↙↤↥↦↧↰↱↲↳↴↵↶↷⇄⇅⬅⬆➡⬇⬈⬉⬊⬋⬌⬍■□▲△●○▴▵▶▷▸▹▼▽▾▿◀◁◂◃►▻◄◅±≃≈≠≤≥⊂⊃⊄⊅∧∨∩∪∀∂∃∄∅∆∇∈∉∋∌∏∐∑∞ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικλμνξοπρστυφχψωℂℍℕℙℚℝℤ⅒⅑⅛⅐⅙⅕¼⅓⅜⅖½⅗⅝⅔¾⅘⅚⅞⁰¹²³⁴⁵⁶⁷⁸⁹₀₁₂₃₄₅₆₇₈₉♭♮♯"
 
 Static Public Char As String
 

app/src/gambas3/.src/FMain.class

@@ -381,7 +381,11 @@ Public Sub mnuPopup_Show()
   sCurrent = GetCurrent()
   bCurrent = sCurrent
   sRoot = GetRootKey($sKey)
-  If sCurrent Then bLink = Stat(sCurrent).Type = gb.Link
+  
+  If sCurrent Then 
+    Try bLink = Stat(sCurrent).Type = gb.Link
+    If Error Then Return
+  Endif
   
   UpdateMenu
   

app/src/gambas3/.src/Project/CProjectTree.class

@@ -286,6 +286,10 @@ Private Procedure AddDir(Optional sDir As String)
   Repeat
 
     sDir = cDir[0]
+    cDir.Remove(0)
+    
+    If Not IsDir(sDir) Then Continue
+
     aFile.Clear
     
     '$bGetSource = FALSE
@@ -312,8 +316,6 @@ Private Procedure AddDir(Optional sDir As String)
     
     DoRefreshAfter
     
-    cDir.Remove(0)
-    
   Until cDir.Count = 0
 
 End