Add docs for convenience functions.
Add docs for convenience functions.

kallanreed/yara,MeteorAdminz/yara,VirusTotal/yara,msuvajac/yara,cblichmann/yara,bmagistro/yara,MeteorAdminz/yara,wxsBSD/yara,pombredanne/yara,wxsBSD/yara,wxsBSD/yara,plusvic/yara,Security513/yara,cblichmann/yara,mgoffin/yara,rednaga/yara,tanium/yara,Security513/yara,wxsBSD/yara,Security513/yara,rednaga/yara,mgoffin/yara,pombredanne/yara,pombredanne/yara,msuvajac/yara,bmagistro/yara,mgoffin/yara,pombredanne/yara,kallanreed/yara,mgoffin/yara,cblichmann/yara,tanium/yara,jpypi/yara,wxsBSD/yara,VirusTotal/yara,hillu/yara,hillu/yara,bmagistro/yara,rednaga/yara,MeteorAdminz/yara,plusvic/yara,cblichmann/yara,VirusTotal/yara,hillu/yara,VirusTotal/yara,pombredanne/yara,hillu/yara,plusvic/yara,kallanreed/yara,plusvic/yara,VirusTotal/yara,tanium/yara,jpypi/yara,msuvajac/yara,cblichmann/yara,hillu/yara,jpypi/yara,plusvic/yara