Add parameter/gradient accessors to FunctionSet
Add parameter/gradient accessors to FunctionSet

sinhrks/chainer,nushio3/chainer,keisuke-umezawa/chainer,kashif/chainer,pfnet/chainer,kiyukuta/chainer,jfsantos/chainer,ttakamura/chainer,masia02/chainer,ysekky/chainer,ktnyt/chainer,woodshop/chainer,cupy/cupy,muupan/chainer,hvy/chainer,laysakura/chainer,aonotas/chainer,ikasumi/chainer,hvy/chainer,truongdq/chainer,woodshop/complex-chainer,wkentaro/chainer,t-abe/chainer,minhpqn/chainer,wavelets/chainer,jnishi/chainer,nushio3/chainer,kuwa32/chainer,umitanuki/chainer,ronekko/chainer,jnishi/chainer,elviswf/chainer,jnishi/chainer,hvy/chainer,ktnyt/chainer,chainer/chainer,cupy/cupy,benob/chainer,keisuke-umezawa/chainer,okuta/chainer,keisuke-umezawa/chainer,yanweifu/chainer,AlpacaDB/chainer,tigerneil/chainer,truongdq/chainer,sou81821/chainer,ytoyama/yans_chainer_hackathon,tscohen/chainer,kikusu/chainer,okuta/chainer,ktnyt/chainer,Kaisuke5/chainer,hidenori-t/chainer,ttakamura/chainer,rezoo/chainer,jnishi/chainer,niboshi/chainer,cupy/cupy,niboshi/chainer,AlpacaDB/chainer,keisuke-umezawa/chainer,chainer/chainer,chainer/chainer,chainer/chainer,niboshi/chainer,delta2323/chainer,1986ks/chainer,wkentaro/chainer,ktnyt/chainer,okuta/chainer,cemoody/chainer,tereka114/chainer,benob/chainer,wkentaro/chainer,okuta/chainer,niboshi/chainer,sinhrks/chainer,tkerola/chainer,muupan/chainer,t-abe/chainer,bayerj/chainer,wkentaro/chainer,hvy/chainer,cupy/cupy,kikusu/chainer,anaruse/chainer