Added allow_no_verification for users to bypass the 'must have options or validation' check. However, not doing so can cause unexpected failures where flags will begin consuming preceeding arguments

src/cligen/command/argument.cr

@@ -1,6 +1,6 @@
 module CliGen
   class Command
-    macro argument(variable, description, long = nil, short = nil, validation = nil, on_match = nil, def_setter = false, def_getter = false, options = nil, delimiter = ",", format = nil)
+    macro argument(variable, description, long = nil, short = nil, validation = nil, on_match = nil, def_setter = false, def_getter = false, options = nil, delimiter = ",", format = nil, allow_no_verification = false)
       {% raise "ERROR : CliGen::Command.argument : def_setter must be a Bool" unless def_setter.is_a? BoolLiteral %}
       {% raise "ERROR : CliGen::Command.argument : First argument (#{variable}) must be a TypeDeclaration (ex: '<var> : <type> [= val]')" unless variable.is_a? TypeDeclaration %}
       {% name = variable.var %}
@@ -45,7 +45,7 @@ module CliGen
         {% format = format.resolve if format.is_a? Path %}
         {% raise "ERROR : CliGen::Command.argument(#{name}) : Provided format must be a RegexLiteral" unless format.is_a? RegexLiteral %}
       {% end %}
-      {% if type.resolve <= Array %}
+      {% if type.resolve <= Array && ! allow_no_verification %}
         {% elem = type.type_vars.first %}
         {% unless elem == Int32 %}
           {% if format.nil? && options.nil? %}