add some limits to inbox queries to try to stop memory overflows
add some limits to inbox queries to try to stop memory overflows

sicambria/loomio,tachyons/loomio,Collabforge/site-collabio,tachyons/loomio,digideskio/loomio,Collabforge/site-collabio,piratas-ar/loomio,labhackercd/loomio,piratas-ar/loomio,HadoDokis/loomio,tachyons/loomio,gvalerin/loomio,HadoDokis/loomio,loomio/loomio,annewchen/loomio,aca13jmf/loomio,codingnutty/loomio,labhackercd/loomio,gvalerin/loomio,isomerase/loomio,mlarghydracept/loomio,kimihito/loomio,piratas-ar/loomio,wangjun/loomio,mhjb/loomio,gvalerin/loomio,loomio/loomio,FSFTN/Loomio,sicambria/loomio,codingnutty/loomio,isomerase/loomio,annewchen/loomio,mhjb/loomio,juliagra/loomio,sicambria/loomio,isomerase/loomio,FSFTN/Loomio,isomerase/loomio,wangjun/loomio,wangjun/loomio,piratas-ar/loomio,codingnutty/loomio,doomergithub/loomio,doomergithub/loomio,sicambria/loomio,mhjb/loomio,HadoDokis/loomio,digideskio/loomio,doomergithub/loomio,juliagra/DBCloomio,juliagra/DBCloomio,mlarghydracept/loomio,mlarghydracept/loomio,Collabforge/site-collabio,mhjb/loomio,digideskio/loomio,kimihito/loomio,HadoDokis/loomio,juliagra/DBCloomio,tachyons/loomio,FSFTN/Loomio,aca13jmf/loomio,FSFTN/Loomio,loomio/loomio,labhackercd/loomio,loomio/loomio,labhackercd/loomio,annewchen/loomio,aca13jmf/loomio,Collabforge/site-collabio,juliagra/loomio,juliagra/loomio,kimihito/loomio