httppeer: change logic around argument handling The code to process arguments only makes sense if there are arguments. So change an "else" to "elif args", remove an "if" that isn't necessary, and add some docs for good measure. Differential Revision: https://phab.mercurial-scm.org/D2214

BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false