Language: Add comments

Language/Utils.vb

@@ -42,6 +42,11 @@ Public Class Utils
         Return [Enum].ToObject(GetType(T), value)
     End Function
 
+    ''' <summary>
+    ''' Converts a string to boolean. Accepts true and 1 as truthy values
+    ''' </summary>
+    ''' <param name="input">The input string</param>
+    ''' <returns>True if input is true or 1, otherwise false.</returns>
     Public Shared Function ToBoolean(input As String) As Boolean
         If String.IsNullOrEmpty(input) Then Return False
         Return (input.Trim().ToLower() = "true") OrElse (input.Trim() = "1")
@@ -151,6 +156,11 @@ Public Class Utils
         End Try
     End Function
 
+    ''' <summary>
+    ''' Checks if string contains invalid characters
+    ''' </summary>
+    ''' <param name="pString"></param>
+    ''' <returns></returns>
     Public Shared Function TestContainsInvalidCharacters(pString As String) As Boolean
         Return Not pString.Equals(RemoveInvalidCharacters(pString))
     End Function