v0.8.5

• windows support
• only page output if we are running in a tty
• skip ignored directories when processing files
• gl without any argument now displays the help message
• group flags of gl branch and gl tag and throw error on invalid combinations
• sort the list of tags and branches when listed
• add windows pager (thanks to @ArneBachmann)
• other pager-related improvements (thanks to @ppentchev, @raimue )
• improvements to readme: link pygit2 for Windows users (thanks to @abitrolly ), svg badges (thanks to @sobolevn), add homebrew badge (thanks to @emartynov)