Update list of limitations in the man page
man page: Use \fI style for option arguments
Release version 1.4

Changes:
 - Fixed build on non-Linux platforms with a separate libiconv
   (Windows™, Mac OS X)
 - Fixed build on systems with non-standard iconv function prototypes
   (FreeBSD)
 - Fixed MSVC build
 - Fixed build with older glibc versions
 - Fixed issues with the progress bar in sandbox environments
 - Fixed string conversion on systems where libiconv defaults
   to big-endian variants
 - Fixed extracting very large installers with 32-bit innoextract builds
 - Improved handling of invalid encoded strings
 - Improved error messages when input or output files could not be
    opened
 - The --list command-line option can now combined with
   --test or --extract
 - The --version command-line option can now be modified with
   --quiet or --silent
 - Added color output and progress bar support for Windows™
 - Added support for Unicode filenames under Windows™
 - Added support for preserving timestamps of extracted files
   (enabled by default)
 - Added a --timestamps (-T) command-line options to control or disable
   file timestamps
 - Added an --output-dir (-d) command-line option to control where
   files are extracted
 - Added various CMake options to fine-tune the build process
 - Various bug fixes and tweaks