#18 vdk.lang.clsString additional methods

[Jason Ely]

Below methods will be added to the clsString class

capitilize - capitilizes the first character of the String
deCapitilize - de-capitilizes the first character of the String
isBlank - tests if the string is blank
clean - trim and replace multiple repeating spaces with a single space
leftTrim - trim space on left side of string
rightTrim - trim space on right side of string
leftSuperTrim - trim any character less than chr(34) on left side of string
rightSuperTrim - trim any character less than chr(34) on right side of string

[Jason Ely]

Dev done. Unit tested