Add a note on targeting specific Windows versions for updates

.aliases

@@ -1249,6 +1249,7 @@ alias gfo='git fetch origin'
 alias gfu='git fetch up'
 alias gfm='git fetch origin master'
 alias gfup='git fetch upstream'
+alias ggcf='git gc --prune=now'
 alias ggrep='git log --all --oneline | grep '
 alias gla='git lg --all'
 alias gl='git lg -30'
@@ -1273,6 +1274,7 @@ alias gpo='git push origin'
 alias gpom='git push origin master'
 alias gpr='git pull --rebase'
 alias gpt='git push --tags'
+alias gptf='git push --tags -f'
 alias gpu='git push --set-upstream origin HEAD'
 alias gr='git reset'
 alias gr1='git reset HEAD^1; gl'