Gibbon alpha

Added

New available operations:

• DeleteAt: It remove the elements in the given position
• IndexOf: It returns the index of the element in the stream.
• LastIndexOf: It returns the last occurrence for the element in the stream.
• Pop: It extracts the first element in the stream and return this and the new stream
• Reverse: It reverses the sequence of elements in the stream.
• Set: It replaces the element in the given index by the provided value
• Take: It returns a stream with the elements between the given indexes

From this release Koazee is part of awesome-go