Update supported versions

Change from 1.6.2 to 1.6.4 in the first output line.
Add version 78 (1.6.4) to the list of supported versions.
Merge pull request #21 from justcool393/Indev

Add protocol version 78 (1.6.4) to the list of supported versions.
Fix Unhandled WebException

This commit fixes an unhandled WebException that may occur when
attempting to connect to the Minecraft session server when it is very
slow or unreachable.
Merge pull request #22 from justcool393/Indev

Fix Unhandled WebException
Added credit to contributors instead of email adress
BouncyCastle reference is still there
+ Made MCC commands ignore case.
+ Started executing script when called with "/exec <scriptname>"
Merge pull request #25 from bearbear12345/Indev

Indev
Find automatically a translation file from MC 1.7+

Load a translation file if Minecraft is installed on the computer
First attempt of MC 1.7 Server Ping ping packet

Currently not working, see MinecraftCom.cs & comment "STUCK HERE"
Server list ping packet done

(+) Thanks dogwatch for pointing out the mistake in int->varint
converter !
Offline mode done, TODO: online mode

Offline mode should be working now.
Fix for username causing login to fail
Online Mode done, 1.7 compatibility should be OK

+ Fixed chat colors because of 1.7 changes
+ Some code cleanup here and there
Fix for kick messages : now decoded from Json
Merge pull request #27 from ORelio/Indev

Merging changes from Indev for 1.7.0 release
Support text pasting with Ctrl+V
Fix for chat translation rules

Eg: achievement messages are now properly displayed
Fix for text coloration

- Recursive text coloration (like in MC 1.7)
- Fix for color bug introduced in 7e8b750