Fixes and improvements to serialization.

There were multiple issues with comment and newline lexing.

Extended printing functions to support Strings with %S flag (captial 'S').
Allows for length detection. Also made it so that precision for strings is the string length.

project/dependencies/printing.cpp

@@ -47,7 +47,8 @@ internal sw _print_string( char* text, sw max_len, _format_info* info, char cons
 	}
 
 	if ( info && info->precision >= 0 )
-		len = str_len( str, info->precision );
+		// Made the design decision for this library that precision is the length of the string.
+		len = info->precision;
 	else
 		len = str_len( str );
 
@@ -410,6 +411,15 @@ neverinline sw str_fmt_va( char* text, sw max_len, char const* fmt, va_list va )
 				len = _print_string( text, remaining, &info, va_arg( va, char* ) );
 				break;
 
+			case 'S':
+			{
+				String gen_str = String { va_arg( va, char*) };
+
+				info.precision = gen_str.length();
+				len            = _print_string( text, remaining, &info, gen_str );
+			}
+			break;
+
 			case 'r' :
 				len = _print_repeated_char( text, remaining, &info, va_arg( va, int ) );
 				break;

project/dependencies/string.hpp

@@ -226,6 +226,11 @@ struct String
 		return header.Capacity - header.Length;
 	}
 
+	char& back()
+	{
+		return Data[ length() - 1 ];
+	}
+
 	sw capacity() const
 	{
 		Header const&