add documentation for changes about parsers
add documentation for changes about parsers

onecue/pybbm,katsko/pybbm,ttyS15/pybbm,ttyS15/pybbm,DylannCordel/pybbm,artfinder/pybbm,onecue/pybbm,jonsimington/pybbm,hovel/pybbm,NEERAJIITKGP/pybbm,webu/pybbm,jonsimington/pybbm,wengole/pybbm,springmerchant/pybbm,skolsuper/pybbm,webu/pybbm,springmerchant/pybbm,hovel/pybbm,hovel/pybbm,wengole/pybbm,artfinder/pybbm,webu/pybbm,just-work/pybbm,ttyS15/pybbm,katsko/pybbm,just-work/pybbm,DylannCordel/pybbm,DylannCordel/pybbm,jonsimington/pybbm,just-work/pybbm,katsko/pybbm,springmerchant/pybbm,wengole/pybbm,onecue/pybbm,skolsuper/pybbm,skolsuper/pybbm,NEERAJIITKGP/pybbm,NEERAJIITKGP/pybbm,artfinder/pybbm