LynnaLib: Fix CRLF handling on Windows

LynnaLab previously wrote back files with CRLF line endings. The current
version is unable to read back that style of newline, so old projects
were broken. Now it can handle CRLF newlines, and it also doesn't write
CRLF newlines back to the files it reads.

Author: Stewmath

LynnaLib/FileParser.cs

@@ -1178,7 +1178,8 @@ public void Save()
             // where we loaded through a MemoryFileStream. Doesn't really matter since saving only
             // works on the server anyway. It does mean the MemoryFileStream will be out of sync
             // with the file itself though - not that that should matter at all.
-            File.WriteAllLines(FullFilename, output);
+            // Don't use WriteAllLines as that writes CRLF on windows.
+            File.WriteAllText(FullFilename, string.Join('\n', output));
 
             Modified = false;
         }

LynnaLib/MemoryFileStream.cs

@@ -282,7 +282,7 @@ public int GetByte(int position)
 
         public string ReadAllText()
         {
-            return System.Text.Encoding.UTF8.GetString(Data);
+            return System.Text.Encoding.UTF8.GetString(Data).Replace("\r\n", "\n");
         }
         public string[] ReadAllLines()
         {