pre 0.0.6

add WeakMap
add WeakSet
Optimize O(n) -> O(1) Set / Map
add ::tie / Object.tie
add placeholder for Function::part
change args Array::reduceTo
Array::props => Array::pluck
Object.props => Object.pluck
Object.isFunction => Function.isFunction
Object.deepEqual => Object.isEqual
remove Object.Wrap
remove Function.series => use Promise
remove Function.parallel => use Promise.all
remove Array::asyncMap
remove Object.isNull
remove Object.isUndefined
remove Object.isNumber => use Object.classof
remove Object.isString => use Object.classof
remove Object.isBoolean => use Object.classof
remove Object.isArray => use Object.classof
remove Object.isRegExp => use Object.classof
remove Object.isDate => use Object.classof
remove Object.isError => use Object.classof
remove Function::ctx => use .bind
remove Function::unbind => use .tie('call')
remove Function::once
remove Function::partial => use Function::part with _
remove Function::before
remove Function::after
remove Function::error
remove Number::div
remove Number::isOdd
remove Number::isEven
remove Number::format
remove Array::indexSame
remove Array::cross
remove Array::sum
remove Array::avg
remove Array::min
remove Array::max
remove String::trimLeft
remove String::trimRight
remove String::reverse
remove RegExp::getFlags
remove RegExp::fn => use .tie('test')