update some docstrings
update some docstrings

creativewild/psutil,vmolsa/psutil,skyshe/psutil,vmolsa/psutil,zhengzheng/psutil,end18/psutil,end18/psutil,shiva21/psutil,huson2012/psutil,stupidcache/psutil,google-code-export/psutil,google-code-export/psutil,jucapj/psutil,kiranvizru/psutil,Alwnikrotikz/psutil,tigerneil/psutil,djhaskin987/psutil,nmani1905/psutil,end18/psutil,kiranvizru/psutil,end18/psutil,huson2012/psutil,AlanZatarain/psutil,google-code-export/psutil,tigerneil/psutil,anfedorov/psutil,skyshe/psutil,creativewild/psutil,skyshe/psutil,tigerneil/psutil,PFZheng/psutil,vmolsa/psutil,tigerneil/psutil,peter-hst/psutil,chjwang/psutil,marmolu/psutil,Alwnikrotikz/psutil,marmolu/psutil,djhaskin987/psutil,djhaskin987/psutil,jucapj/psutil,creativewild/psutil,vmolsa/psutil,anfedorov/psutil,AlanZatarain/psutil,djhaskin987/psutil,peter-hst/psutil,skyshe/psutil,stupidcache/psutil,kiranvizru/psutil,google-code-export/psutil,kiranvizru/psutil,zhengzheng/psutil,nmani1905/psutil,chjwang/psutil,huson2012/psutil,stupidcache/psutil,shiva21/psutil,PFZheng/psutil