Have better memory

dotfiles/bash/main.bashrc

 export HISTCONTROL=$HISTCONTROL${HISTCONTROL+:}ignoredups
 export HISTIGNORE=$HISTIGNORE:ls:ll:la:cd
 export HISTIGNORE="$HISTIGNORE:git ap:git cm:git cma:git dc:git st"
+export HISTFILESIZE=10000
 export GLOBIGNORE=.:..
 
 # some more aliases