Version 1.5

• Added toMap(), value(), chain(), eachRight(), and forEachRight()
• Added chain and object methods support for the size() and isEmpty()
• Fixed type for sort() method
• Added support for the chain methods every() and some()
• Added chain methods support groupBy(), indexBy() and countBy()
• Added support for the diferrence(arrays) and union(arrays) methods
• Improved equals and hashCode for Optional

Version 1.4

• Fixed slice(0, N) method
• List generators available for plugins
• Added parameters check for first, last, rest and initial methods
• Introduced underscore-lodash plugin

Version 1.3

• Main class was renamed from _ to the $.
• Methods were reordered
• Unit tests were divided by groups
• New methods were added
• Math plugin was added

Version 1.2

Added methods initial, rest, last to the _.chain().

Version 1.1

Add support for the methods filter and reject to the chain object

Version 1.0

Main functionality was implemented