0.6.0

What's new:

• Switch the entire code base to C++11
• The Cygwin and Linux console does not use cp437 character encoding by default anymore
• print() can now get an FPoint object as an argument to change the cursor position
• By printing the new FColorPair object, you can change the foreground and background color together
• PC speaker control for the FreeBSD, NetBSD and OpenBSD consoles
• FLineEdit is now able to define a character input filter via regular expression (regex)