Array<out E> for forElementAndEachIn and forEachIn

Fixes a limitation concerning forElementAndEachIn as well as forEachIn in combination with Array. As it was defined invariant so far it could not be used in combination with vararg which result in out E.

publish also a jar for android

The kbox-android jar does not contain a module-info.class which seems to make trouble in combination with the D8 compiler.

forEachRemaining

adds forEachRemaining to < jdk7 and other platforms

isNotNullAndNotEmpty/NotBlank

introduced isNotNullAndNotEmpty as well as isNotNullAndNotBlank

forElementAndForEach

Removed forThisAndForEach in favour of forElementAndForEach which is no longer an extension function. forThisAndForEach popped up to often in code completion.

mapRemaining

added mapRemaining

multi platform project

Turned Kbox into a multi platform project (JVM and JS)

joinToString for Iterable

v0.3.0

v0.3.0

Peeking Iterator

v0.2.0

v0.2.0

last separator

Added an additional parameter lastSeparator to List<*>::joinToString. Besides that KDoc was added.