[GROOVY-469] new helper methods to convert Strings into common types (Integer, Long, Float, Double etc) - ASF JIRA

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Saw this in code...

Integer.parseInt(args[0])

It'd be much more groovy to type

args[0].toInteger()

etc

Or we could use the new 'as' operator to convert to a new type

args[0] as Integer

which could be implemented using a generic function

asType(String self, Class type) {
switch (type) {
case Integer:
return Integer.parse(self)
}
...
}

etc