Add Methods to Korlib

[tgiphil]

Add the following methods:

Type Parsing (string/float/int/double/etc...)
Encoding Unicode / ASCII
Stream necessities
Math necessities
Path/Directory
String essentials (remove, isnullorwhitespace, culture info)
String overloading
Buffer classes
ConsoleKey
ConsoleModifiers
FileAttributes/FileMode
Dictionary (over 25 instances)
FileStream
Exceptions
Some Attributes
Array utils