New features and bug fixes

- Fix import (`imp`) bug-
- Add is in parameter available (`isi`) statement
- Add is out parameter available (`iso`) statement

YesNt.Interpreter/Statements/FunctionStatements.cs

@@ -62,6 +62,15 @@ namespace YesNt.Interpreter.Statements
             }
         }
 
+        [Statement("%iso", SearchMode.Contains, SpaceAround.End, ConsoleColor.Yellow, KeepStatementInArgs = true, Priority = Priority.Highest)]
+        public void CheckIfOutParameterAvalible(string args)
+        {
+            args += " ";
+            args = args.Replace("%iso ", $"{RuntimeInfo.OutParametersStack.Count > 0} ");
+
+            RuntimeInfo.CurrentLine = args.TrimEnd();
+        }
+
         [Statement("cal", SearchMode.StartOfLine, SpaceAround.End, ConsoleColor.DarkYellow, Priority = Priority.Low, Seperator = "|")]
         public void Call(string args)
         {
@@ -119,6 +128,21 @@ namespace YesNt.Interpreter.Statements
             }
         }
 
+        [Statement("%isi", SearchMode.Contains, SpaceAround.End, ConsoleColor.Yellow, KeepStatementInArgs = true, Priority = Priority.Highest)]
+        public void CheckIfInParameterAvalible(string args)
+        {
+            if (!RuntimeInfo.IsInFunction)
+            {
+                RuntimeInfo.Exit("Statement not allowed outside of function", true);
+                return;
+            }
+
+            args += " ";
+            args = args.Replace("%isi ", $"{RuntimeInfo.FunctionCallStack.Peek().Arguemtns.Count > 0} ");
+
+            RuntimeInfo.CurrentLine = args.TrimEnd();
+        }
+
         [Statement("put", SearchMode.StartOfLine, SpaceAround.End, ConsoleColor.Yellow)]
         public void AddOutParameter(string args)
         {

YesNt.Interpreter/Statements/PredifinedVariableStatements.cs

@@ -27,8 +27,6 @@ namespace YesNt.Interpreter.Statements
         public void GetPi(string args)
         {
             args += " ";
-
-
             args = args.Replace("%pi ", $"{Math.PI} ");
 
             RuntimeInfo.CurrentLine = args.TrimEnd();

YesNt.Interpreter/Statements/ProcessingStatements.cs

@@ -74,7 +74,7 @@ namespace YesNt.Interpreter.Statements
             {
                 try
                 {
-                    RuntimeInfo.Lines.RemoveAt(0);
+                    RuntimeInfo.Lines.RemoveAt(RuntimeInfo.LineNumber);
                     string[] lines = File.ReadAllLines(path);
 
                     for (int i = 0; i < lines.Length; i++)
@@ -85,12 +85,12 @@ namespace YesNt.Interpreter.Statements
                 }
                 catch
                 {
-                    RuntimeInfo.Exit($"Could not load file {path}", true);
+                    RuntimeInfo.Exit($"Could not load file \"{path}\"", true);
                 }
             }
             else
             {
-                RuntimeInfo.Exit($"Could not find file {path}", true);
+                RuntimeInfo.Exit($"Could not find file \"{path}\"", true);
             }
         }
 

YesNt.Interpreter/Utilities/Evaluator.cs

@@ -6,6 +6,15 @@ namespace YesNt.Interpreter.Utilities
     {
         public static bool? EvaluateCondition(string input)
         {
+            if (input.ToLower().FromSaveString().Trim() == "true")
+            {
+                return true;
+            }
+            else if (input.ToLower().FromSaveString().Trim() == "false")
+            {
+                return false;
+            }
+
             string[] parts = input.Split("==");
             if (parts.Length == 2)
             {