updated the inventory guide
updated the inventory guide

* clarified explanation of the stock control flags
* added brief section on returns (needs more info!)

miyazawatomoka/spree,NerdsvilleCEO/spree,lsirivong/solidus,hoanghiep90/spree,gregoryrikson/spree-sample,jaspreet21anand/spree,njerrywerry/spree,sunny2601/spree,cutefrank/spree,hoanghiep90/spree,TrialGuides/spree,vinsol/spree,mindvolt/spree,radarseesradar/spree,siddharth28/spree,FadliKun/spree,ayb/spree,richardnuno/solidus,karlitxo/spree,edgward/spree,assembledbrands/spree,surfdome/spree,tesserakt/clean_spree,volpejoaquin/spree,Ropeney/spree,jaspreet21anand/spree,groundctrl/spree,quentinuys/spree,jsurdilla/solidus,karlitxo/spree,madetech/spree,jeffboulet/spree,ayb/spree,brchristian/spree,tancnle/spree,CiscoCloud/spree,project-eutopia/spree,softr8/spree,CiscoCloud/spree,hifly/spree,DynamoMTL/spree,raow/spree,jaspreet21anand/spree,DarkoP/spree,jimblesm/spree,cutefrank/spree,mleglise/spree,Arpsara/solidus,shekibobo/spree,brchristian/spree,volpejoaquin/spree,trigrass2/spree,piousbox/spree,Engeltj/spree,lyzxsc/spree,ramkumar-kr/spree,KMikhaylovCTG/spree,DarkoP/spree,Migweld/spree,jordan-brough/solidus,ramkumar-kr/spree,berkes/spree,abhishekjain16/spree,builtbybuffalo/spree,joanblake/spree,lsirivong/spree,maybii/spree,jparr/spree,groundctrl/spree,Lostmyname/spree,adaddeo/spree,Machpowersystems/spree_mach,devilcoders/solidus,alvinjean/spree,dandanwei/spree,shaywood2/spree,calvinl/spree,yushine/spree,dandanwei/spree,welitonfreitas/spree,lsirivong/spree,delphsoft/spree-store-ballchair,adaddeo/spree,tomash/spree,rbngzlv/spree,pervino/spree,xuewenfei/solidus,ujai/spree,berkes/spree,miyazawatomoka/spree,locomotivapro/spree,reidblomquist/spree,agient/agientstorefront,rbngzlv/spree,useiichi/spree,dafontaine/spree,lsirivong/solidus,ujai/spree,gregoryrikson/spree-sample,odk211/spree,TimurTarasenko/spree,gautamsawhney/spree,softr8/spree,odk211/spree,athal7/solidus,CJMrozek/spree,forkata/solidus,bonobos/solidus,siddharth28/spree,firman/spree,grzlus/solidus,maybii/spree,azranel/spree,Engeltj/spree,jordan-brough/solidus,welitonfreitas/spree,priyank-gupta/spree,nooysters/spree,karlitxo/spree,Lostmyname/spree,ckk-scratch/solidus,jordan-brough/solidus,PhoenixTeam/spree_phoenix,KMikhaylovCTG/spree,AgilTec/spree,tesserakt/clean_spree,KMikhaylovCTG/spree,SadTreeFriends/spree,FadliKun/spree,dafontaine/spree,azranel/spree,yiqing95/spree,pervino/spree,hoanghiep90/spree,azranel/spree,softr8/spree,forkata/solidus,trigrass2/spree,odk211/spree,kewaunited/spree,vmatekole/spree,surfdome/spree,sideci-sample/sideci-sample-spree,Migweld/spree,sliaquat/spree,pulkit21/spree,carlesjove/spree,raow/spree,athal7/solidus,CJMrozek/spree,calvinl/spree,NerdsvilleCEO/spree,xuewenfei/solidus,SadTreeFriends/spree,athal7/solidus,vulk/spree,sfcgeorge/spree,yiqing95/spree,athal7/solidus,TrialGuides/spree,fahidnasir/spree,adaddeo/spree,moneyspyder/spree,zaeznet/spree,hifly/spree,camelmasa/spree,thogg4/spree,rbngzlv/spree,degica/spree,delphsoft/spree-store-ballchair,archSeer/spree,KMikhaylovCTG/spree,jimblesm/spree,grzlus/solidus,maybii/spree,pervino/solidus,robodisco/spree,carlesjove/spree,priyank-gupta/spree,alejandromangione/spree,scottcrawford03/solidus,yushine/spree,thogg4/spree,vinsol/spree,tancnle/spree,shekibobo/spree,imella/spree,miyazawatomoka/spree,vcavallo/spree,builtbybuffalo/spree,Hawaiideveloper/shoppingcart,shaywood2/spree,jordan-brough/solidus,firman/spree,wolfieorama/spree,devilcoders/solidus,ramkumar-kr/spree,TimurTarasenko/spree,alvinjean/spree,alvinjean/spree,sideci-sample/sideci-sample-spree,bricesanchez/spree,sunny2601/spree,alvinjean/spree,radarseesradar/spree,PhoenixTeam/spree_phoenix,ahmetabdi/spree,vinsol/spree,patdec/spree,yiqing95/spree,bonobos/solidus,kewaunited/spree,caiqinghua/spree,camelmasa/spree,archSeer/spree,shekibobo/spree,quentinuys/spree,jasonfb/spree,jparr/spree,nooysters/spree,jsurdilla/solidus,grzlus/solidus,Machpowersystems/spree_mach,ayb/spree,AgilTec/spree,delphsoft/spree-store-ballchair,Migweld/spree,piousbox/spree,groundctrl/spree,yushine/spree,gregoryrikson/spree-sample,vmatekole/spree,orenf/spree,sliaquat/spree,CJMrozek/spree,mleglise/spree,NerdsvilleCEO/spree,lyzxsc/spree,moneyspyder/spree,project-eutopia/spree,sunny2601/spree,gautamsawhney/spree,rakibulislam/spree,cutefrank/spree,gregoryrikson/spree-sample,pulkit21/spree,JDutil/spree,DynamoMTL/spree,derekluo/spree,azclick/spree,omarsar/spree,odk211/spree,pervino/solidus,locomotivapro/spree,miyazawatomoka/spree,jparr/spree,abhishekjain16/spree,jsurdilla/solidus,fahidnasir/spree,groundctrl/spree,wolfieorama/spree,azclick/spree,TimurTarasenko/spree,rajeevriitm/spree,gautamsawhney/spree,adaddeo/spree,Lostmyname/spree,azclick/spree,jeffboulet/spree,priyank-gupta/spree,siddharth28/spree,progsri/spree,reidblomquist/spree,progsri/spree,SadTreeFriends/spree,edgward/spree,tomash/spree,lsirivong/solidus,kewaunited/spree,quentinuys/spree,nooysters/spree,ckk-scratch/solidus,berkes/spree,brchristian/spree,omarsar/spree,JuandGirald/spree,beni55/spree,APohio/spree,orenf/spree,scottcrawford03/solidus,lyzxsc/spree,forkata/solidus,rajeevriitm/spree,JDutil/spree,PhoenixTeam/spree_phoenix,devilcoders/solidus,jeffboulet/spree,archSeer/spree,jparr/spree,orenf/spree,vmatekole/spree,delphsoft/spree-store-ballchair,thogg4/spree,richardnuno/solidus,reidblomquist/spree,Hawaiideveloper/shoppingcart,APohio/spree,madetech/spree,yushine/spree,net2b/spree,Lostmyname/spree,bonobos/solidus,jsurdilla/solidus,Arpsara/solidus,devilcoders/solidus,DynamoMTL/spree,archSeer/spree,nooysters/spree,patdec/spree,pervino/spree,njerrywerry/spree,raow/spree,grzlus/spree,jspizziri/spree,njerrywerry/spree,welitonfreitas/spree,ujai/spree,Kagetsuki/spree,beni55/spree,reinaris/spree,volpejoaquin/spree,pulkit21/spree,Boomkat/spree,robodisco/spree,AgilTec/spree,Boomkat/spree,xuewenfei/solidus,trigrass2/spree,azranel/spree,pervino/spree,sfcgeorge/spree,net2b/spree,vinayvinsol/spree,sfcgeorge/spree,vmatekole/spree,degica/spree,jimblesm/spree,sfcgeorge/spree,calvinl/spree,reidblomquist/spree,JuandGirald/spree,AgilTec/spree,richardnuno/solidus,hifly/spree,jaspreet21anand/spree,surfdome/spree,dandanwei/spree,rbngzlv/spree,zamiang/spree,siddharth28/spree,calvinl/spree,lsirivong/spree,madetech/spree,caiqinghua/spree,alejandromangione/spree,bricesanchez/spree,dafontaine/spree,volpejoaquin/spree,JDutil/spree,sliaquat/spree,keatonrow/spree,Engeltj/spree,ayb/spree,DarkoP/spree,surfdome/spree,progsri/spree,Ropeney/spree,carlesjove/spree,tancnle/spree,wolfieorama/spree,brchristian/spree,gautamsawhney/spree,jimblesm/spree,JDutil/spree,beni55/spree,Hawaiideveloper/shoppingcart,progsri/spree,joanblake/spree,NerdsvilleCEO/spree,forkata/solidus,assembledbrands/spree,Machpowersystems/spree_mach,thogg4/spree,ramkumar-kr/spree,jspizziri/spree,Engeltj/spree,jasonfb/spree,rakibulislam/spree,firman/spree,azclick/spree,builtbybuffalo/spree,JuandGirald/spree,project-eutopia/spree,APohio/spree,scottcrawford03/solidus,useiichi/spree,Boomkat/spree,DynamoMTL/spree,fahidnasir/spree,sunny2601/spree,Ropeney/spree,njerrywerry/spree,TrialGuides/spree,abhishekjain16/spree,vulk/spree,piousbox/spree,radarseesradar/spree,zaeznet/spree,tomash/spree,zamiang/spree,kewaunited/spree,zamiang/spree,sideci-sample/sideci-sample-spree,project-eutopia/spree,Senjai/solidus,jspizziri/spree,DarkoP/spree,reinaris/spree,Kagetsuki/spree,piousbox/spree,softr8/spree,caiqinghua/spree,FadliKun/spree,wolfieorama/spree,abhishekjain16/spree,firman/spree,FadliKun/spree,grzlus/spree,tesserakt/clean_spree,shaywood2/spree,ahmetabdi/spree,carlesjove/spree,jspizziri/spree,zamiang/spree,robodisco/spree,derekluo/spree,raow/spree,grzlus/spree,camelmasa/spree,moneyspyder/spree,reinaris/spree,vinayvinsol/spree,omarsar/spree,ckk-scratch/solidus,mleglise/spree,Migweld/spree,camelmasa/spree,madetech/spree,bonobos/solidus,lsirivong/spree,JuandGirald/spree,moneyspyder/spree,vulk/spree,shekibobo/spree,karlitxo/spree,pulkit21/spree,locomotivapro/spree,assembledbrands/spree,bricesanchez/spree,APohio/spree,Arpsara/solidus,omarsar/spree,robodisco/spree,vcavallo/spree,CJMrozek/spree,tomash/spree,mleglise/spree,rajeevriitm/spree,Senjai/solidus,quentinuys/spree,vinsol/spree,edgward/spree,scottcrawford03/solidus,derekluo/spree,xuewenfei/solidus,imella/spree,welitonfreitas/spree,rakibulislam/spree,vinayvinsol/spree,keatonrow/spree,cutefrank/spree,zaeznet/spree,useiichi/spree,lsirivong/solidus,Kagetsuki/spree,tesserakt/clean_spree,pervino/solidus,SadTreeFriends/spree,jasonfb/spree,radarseesradar/spree,lyzxsc/spree,joanblake/spree,keatonrow/spree,Boomkat/spree,vinayvinsol/spree,agient/agientstorefront,grzlus/spree,ckk-scratch/solidus,Arpsara/solidus,joanblake/spree,caiqinghua/spree,vcavallo/spree,vcavallo/spree,agient/agientstorefront,useiichi/spree,maybii/spree,tancnle/spree,sliaquat/spree,patdec/spree,mindvolt/spree,dandanwei/spree,shaywood2/spree,rajeevriitm/spree,agient/agientstorefront,hifly/spree,TrialGuides/spree,richardnuno/solidus,mindvolt/spree,alejandromangione/spree,pervino/solidus,yiqing95/spree,derekluo/spree,beni55/spree,TimurTarasenko/spree,jasonfb/spree,PhoenixTeam/spree_phoenix,rakibulislam/spree,net2b/spree,berkes/spree,orenf/spree,imella/spree,builtbybuffalo/spree,CiscoCloud/spree,dafontaine/spree,fahidnasir/spree,reinaris/spree,ahmetabdi/spree,net2b/spree,Ropeney/spree,priyank-gupta/spree,hoanghiep90/spree,ahmetabdi/spree,patdec/spree,Hawaiideveloper/shoppingcart,Senjai/solidus,CiscoCloud/spree,trigrass2/spree,jeffboulet/spree,Senjai/solidus,vulk/spree,Kagetsuki/spree,edgward/spree,keatonrow/spree,zaeznet/spree,locomotivapro/spree,grzlus/solidus,alejandromangione/spree,degica/spree,mindvolt/spree