libs/core: Fixed luci.utils, Added missing in-line documentation
libs/core: Fixed luci.utils, Added missing in-line documentation

tobiaswaldvogel/luci,kuoruan/lede-luci,NeoRaider/luci,Hostle/luci,shangjiyu/luci-with-extra,jchuang1977/luci-1,maxrio/luci981213,oyido/luci,nwf/openwrt-luci,palmettos/cnLuCI,981213/luci-1,openwrt-es/openwrt-luci,cshore/luci,marcel-sch/luci,kuoruan/lede-luci,981213/luci-1,dwmw2/luci,jchuang1977/luci-1,taiha/luci,teslamint/luci,hnyman/luci,ff94315/luci-1,harveyhu2012/luci,rogerpueyo/luci,ReclaimYourPrivacy/cloak-luci,thess/OpenWrt-luci,david-xiao/luci,Sakura-Winkey/LuCI,MinFu/luci,slayerrensky/luci,aircross/OpenWrt-Firefly-LuCI,ff94315/luci-1,wongsyrone/luci-1,oyido/luci,openwrt-es/openwrt-luci,RedSnake64/openwrt-luci-packages,dwmw2/luci,shangjiyu/luci-with-extra,oyido/luci,wongsyrone/luci-1,artynet/luci,teslamint/luci,palmettos/cnLuCI,RedSnake64/openwrt-luci-packages,cshore-firmware/openwrt-luci,Noltari/luci,zhaoxx063/luci,chris5560/openwrt-luci,david-xiao/luci,schidler/ionic-luci,bright-things/ionic-luci,bright-things/ionic-luci,nmav/luci,aircross/OpenWrt-Firefly-LuCI,lbthomsen/openwrt-luci,florian-shellfire/luci,LazyZhu/openwrt-luci-trunk-mod,LazyZhu/openwrt-luci-trunk-mod,Hostle/openwrt-luci-multi-user,deepak78/new-luci,db260179/openwrt-bpi-r1-luci,NeoRaider/luci,marcel-sch/luci,taiha/luci,tobiaswaldvogel/luci,LazyZhu/openwrt-luci-trunk-mod,artynet/luci,Sakura-Winkey/LuCI,dwmw2/luci,chris5560/openwrt-luci,teslamint/luci,Sakura-Winkey/LuCI,male-puppies/luci,lcf258/openwrtcn,cshore-firmware/openwrt-luci,oneru/luci,RuiChen1113/luci,RedSnake64/openwrt-luci-packages,jchuang1977/luci-1,kuoruan/lede-luci,ff94315/luci-1,ff94315/luci-1,oyido/luci,Wedmer/luci,joaofvieira/luci,Hostle/openwrt-luci-multi-user,RuiChen1113/luci,openwrt-es/openwrt-luci,hnyman/luci,bright-things/ionic-luci,aa65535/luci,opentechinstitute/luci,wongsyrone/luci-1,cshore-firmware/openwrt-luci,keyidadi/luci,bright-things/ionic-luci,Hostle/openwrt-luci-multi-user,fkooman/luci,taiha/luci,RuiChen1113/luci,Wedmer/luci,urueedi/luci,jlopenwrtluci/luci,harveyhu2012/luci,urueedi/luci,maxrio/luci981213,obsy/luci,ReclaimYourPrivacy/cloak-luci,jlopenwrtluci/luci,jchuang1977/luci-1,daofeng2015/luci,marcel-sch/luci,db260179/openwrt-bpi-r1-luci,artynet/luci,chris5560/openwrt-luci,zhaoxx063/luci,rogerpueyo/luci,joaofvieira/luci,MinFu/luci,deepak78/new-luci,lcf258/openwrtcn,taiha/luci,lbthomsen/openwrt-luci,slayerrensky/luci,david-xiao/luci,Sakura-Winkey/LuCI,cappiewu/luci,ollie27/openwrt_luci,thesabbir/luci,Noltari/luci,keyidadi/luci,oyido/luci,obsy/luci,mumuqz/luci,Sakura-Winkey/LuCI,teslamint/luci,male-puppies/luci,sujeet14108/luci,lcf258/openwrtcn,jlopenwrtluci/luci,slayerrensky/luci,hnyman/luci,aa65535/luci,joaofvieira/luci,harveyhu2012/luci,lcf258/openwrtcn,wongsyrone/luci-1,kuoruan/lede-luci,tcatm/luci,jchuang1977/luci-1,joaofvieira/luci,opentechinstitute/luci,jorgifumi/luci,kuoruan/lede-luci,thess/OpenWrt-luci,aa65535/luci,db260179/openwrt-bpi-r1-luci,tobiaswaldvogel/luci,lbthomsen/openwrt-luci,lbthomsen/openwrt-luci,lcf258/openwrtcn,male-puppies/luci,daofeng2015/luci,teslamint/luci,wongsyrone/luci-1,maxrio/luci981213,sujeet14108/luci,opentechinstitute/luci,rogerpueyo/luci,dismantl/luci-0.12,florian-shellfire/luci,jorgifumi/luci,NeoRaider/luci,chris5560/openwrt-luci,jlopenwrtluci/luci,LazyZhu/openwrt-luci-trunk-mod,Hostle/openwrt-luci-multi-user,slayerrensky/luci,kuoruan/lede-luci,openwrt-es/openwrt-luci,cshore-firmware/openwrt-luci,artynet/luci,deepak78/new-luci,thess/OpenWrt-luci,kuoruan/lede-luci,rogerpueyo/luci,Sakura-Winkey/LuCI,sujeet14108/luci,chris5560/openwrt-luci,thesabbir/luci,db260179/openwrt-bpi-r1-luci,remakeelectric/luci,zhaoxx063/luci,Hostle/openwrt-luci-multi-user,zhaoxx063/luci,kuoruan/lede-luci,zhaoxx063/luci,jorgifumi/luci,marcel-sch/luci,cshore/luci,male-puppies/luci,fkooman/luci,RuiChen1113/luci,daofeng2015/luci,rogerpueyo/luci,schidler/ionic-luci,lcf258/openwrtcn,deepak78/new-luci,openwrt/luci,jlopenwrtluci/luci,nmav/luci,deepak78/new-luci,nwf/openwrt-luci,palmettos/test,bittorf/luci,joaofvieira/luci,thesabbir/luci,keyidadi/luci,lbthomsen/openwrt-luci,cappiewu/luci,981213/luci-1,oneru/luci,lbthomsen/openwrt-luci,kuoruan/luci,nmav/luci,opentechinstitute/luci,maxrio/luci981213,dwmw2/luci,sujeet14108/luci,hnyman/luci,ReclaimYourPrivacy/cloak-luci,jorgifumi/luci,RedSnake64/openwrt-luci-packages,artynet/luci,tcatm/luci,oyido/luci,forward619/luci,MinFu/luci,cshore/luci,Kyklas/luci-proto-hso,thess/OpenWrt-luci,Hostle/luci,marcel-sch/luci,slayerrensky/luci,NeoRaider/luci,taiha/luci,opentechinstitute/luci,LuttyYang/luci,forward619/luci,thesabbir/luci,cshore-firmware/openwrt-luci,NeoRaider/luci,slayerrensky/luci,ReclaimYourPrivacy/cloak-luci,forward619/luci,Sakura-Winkey/LuCI,obsy/luci,kuoruan/luci,oneru/luci,nmav/luci,ff94315/luci-1,obsy/luci,MinFu/luci,bright-things/ionic-luci,sujeet14108/luci,artynet/luci,opentechinstitute/luci,urueedi/luci,dwmw2/luci,Wedmer/luci,fkooman/luci,zhaoxx063/luci,bittorf/luci,dwmw2/luci,LuttyYang/luci,daofeng2015/luci,keyidadi/luci,nwf/openwrt-luci,981213/luci-1,artynet/luci,nmav/luci,taiha/luci,tobiaswaldvogel/luci,Noltari/luci,lbthomsen/openwrt-luci,schidler/ionic-luci,MinFu/luci,harveyhu2012/luci,wongsyrone/luci-1,ReclaimYourPrivacy/cloak-luci,dismantl/luci-0.12,LuttyYang/luci,shangjiyu/luci-with-extra,thess/OpenWrt-luci,david-xiao/luci,LazyZhu/openwrt-luci-trunk-mod,Noltari/luci,daofeng2015/luci,male-puppies/luci,thess/OpenWrt-luci,db260179/openwrt-bpi-r1-luci,forward619/luci,fkooman/luci,marcel-sch/luci,ollie27/openwrt_luci,tcatm/luci,cappiewu/luci,openwrt-es/openwrt-luci,schidler/ionic-luci,deepak78/new-luci,db260179/openwrt-bpi-r1-luci,artynet/luci,Hostle/luci,tcatm/luci,bittorf/luci,cappiewu/luci,Hostle/openwrt-luci-multi-user,thesabbir/luci,Noltari/luci,forward619/luci,florian-shellfire/luci,oneru/luci,fkooman/luci,aircross/OpenWrt-Firefly-LuCI,joaofvieira/luci,oyido/luci,981213/luci-1,lcf258/openwrtcn,Wedmer/luci,palmettos/test,openwrt/luci,fkooman/luci,kuoruan/luci,teslamint/luci,sujeet14108/luci,Kyklas/luci-proto-hso,Noltari/luci,Kyklas/luci-proto-hso,openwrt/luci,bittorf/luci,palmettos/test,aircross/OpenWrt-Firefly-LuCI,RuiChen1113/luci,RedSnake64/openwrt-luci-packages,aa65535/luci,db260179/openwrt-bpi-r1-luci,chris5560/openwrt-luci,kuoruan/luci,joaofvieira/luci,openwrt/luci,forward619/luci,obsy/luci,ReclaimYourPrivacy/cloak-luci,hnyman/luci,Wedmer/luci,maxrio/luci981213,shangjiyu/luci-with-extra,hnyman/luci,keyidadi/luci,aa65535/luci,slayerrensky/luci,palmettos/test,Hostle/luci,dismantl/luci-0.12,urueedi/luci,LazyZhu/openwrt-luci-trunk-mod,cshore-firmware/openwrt-luci,tobiaswaldvogel/luci,male-puppies/luci,ollie27/openwrt_luci,bittorf/luci,daofeng2015/luci,palmettos/cnLuCI,cshore/luci,Noltari/luci,urueedi/luci,cshore/luci,Noltari/luci,oyido/luci,nwf/openwrt-luci,palmettos/cnLuCI,openwrt/luci,remakeelectric/luci,aircross/OpenWrt-Firefly-LuCI,lcf258/openwrtcn,remakeelectric/luci,bright-things/ionic-luci,NeoRaider/luci,forward619/luci,shangjiyu/luci-with-extra,LuttyYang/luci,rogerpueyo/luci,thess/OpenWrt-luci,tobiaswaldvogel/luci,ff94315/luci-1,maxrio/luci981213,Hostle/openwrt-luci-multi-user,schidler/ionic-luci,jorgifumi/luci,jorgifumi/luci,aa65535/luci,sujeet14108/luci,lcf258/openwrtcn,palmettos/cnLuCI,palmettos/test,keyidadi/luci,LuttyYang/luci,RuiChen1113/luci,oneru/luci,RedSnake64/openwrt-luci-packages,teslamint/luci,cappiewu/luci,Kyklas/luci-proto-hso,remakeelectric/luci,fkooman/luci,Hostle/openwrt-luci-multi-user,remakeelectric/luci,Wedmer/luci,oneru/luci,dwmw2/luci,urueedi/luci,Wedmer/luci,palmettos/test,nwf/openwrt-luci,marcel-sch/luci,openwrt-es/openwrt-luci,tcatm/luci,ff94315/luci-1,jlopenwrtluci/luci,lbthomsen/openwrt-luci,cshore/luci,dwmw2/luci,david-xiao/luci,shangjiyu/luci-with-extra,cshore/luci,thesabbir/luci,bright-things/ionic-luci,nwf/openwrt-luci,mumuqz/luci,LuttyYang/luci,Hostle/luci,Kyklas/luci-proto-hso,schidler/ionic-luci,ff94315/luci-1,wongsyrone/luci-1,ollie27/openwrt_luci,openwrt/luci,ollie27/openwrt_luci,david-xiao/luci,opentechinstitute/luci,rogerpueyo/luci,thesabbir/luci,Kyklas/luci-proto-hso,zhaoxx063/luci,NeoRaider/luci,palmettos/test,harveyhu2012/luci,jorgifumi/luci,RedSnake64/openwrt-luci-packages,fkooman/luci,remakeelectric/luci,aircross/OpenWrt-Firefly-LuCI,ollie27/openwrt_luci,oneru/luci,ReclaimYourPrivacy/cloak-luci,rogerpueyo/luci,bittorf/luci,sujeet14108/luci,mumuqz/luci,jlopenwrtluci/luci,thesabbir/luci,kuoruan/luci,david-xiao/luci,Hostle/luci,schidler/ionic-luci,kuoruan/luci,obsy/luci,dismantl/luci-0.12,harveyhu2012/luci,nwf/openwrt-luci,lcf258/openwrtcn,mumuqz/luci,db260179/openwrt-bpi-r1-luci,jorgifumi/luci,nmav/luci,cshore-firmware/openwrt-luci,hnyman/luci,LazyZhu/openwrt-luci-trunk-mod,jchuang1977/luci-1,florian-shellfire/luci,ollie27/openwrt_luci,hnyman/luci,male-puppies/luci,mumuqz/luci,schidler/ionic-luci,remakeelectric/luci,marcel-sch/luci,bright-things/ionic-luci,openwrt-es/openwrt-luci,Wedmer/luci,kuoruan/luci,aa65535/luci,RuiChen1113/luci,urueedi/luci,jchuang1977/luci-1,981213/luci-1,jchuang1977/luci-1,maxrio/luci981213,florian-shellfire/luci,bittorf/luci,openwrt/luci,RuiChen1113/luci,florian-shellfire/luci,tcatm/luci,MinFu/luci,obsy/luci,taiha/luci,daofeng2015/luci,maxrio/luci981213,opentechinstitute/luci,chris5560/openwrt-luci,NeoRaider/luci,deepak78/new-luci,dismantl/luci-0.12,keyidadi/luci,teslamint/luci,nmav/luci,Hostle/luci,nmav/luci,cappiewu/luci,tobiaswaldvogel/luci,Noltari/luci,tobiaswaldvogel/luci,MinFu/luci,Hostle/luci,openwrt/luci,ReclaimYourPrivacy/cloak-luci,obsy/luci,slayerrensky/luci,florian-shellfire/luci,mumuqz/luci,dismantl/luci-0.12,aa65535/luci,981213/luci-1,nwf/openwrt-luci,florian-shellfire/luci,aircross/OpenWrt-Firefly-LuCI,dismantl/luci-0.12,openwrt-es/openwrt-luci,ollie27/openwrt_luci,tcatm/luci,deepak78/new-luci,taiha/luci,shangjiyu/luci-with-extra,palmettos/cnLuCI,mumuqz/luci,tcatm/luci,male-puppies/luci,cshore-firmware/openwrt-luci,nmav/luci,thess/OpenWrt-luci,mumuqz/luci,palmettos/cnLuCI,cappiewu/luci,david-xiao/luci,cshore/luci,wongsyrone/luci-1,LuttyYang/luci,oneru/luci,Kyklas/luci-proto-hso,forward619/luci,Sakura-Wi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