Merge pull request #151 from ChrisCauser/master

The installer is currently broken on my setup when selecting all. This patch should fix it.

install.sh

@@ -31,7 +31,16 @@ done
 function load_all() {
   file_type=$1
   [ ! -d "$BASH_IT/$file_type/enabled" ] && mkdir "$BASH_IT/${file_type}/enabled"
-  ln -s $BASH_IT/${file_type}/[^_]available/* "${BASH_IT}/${file_type}/enabled"
+  for src in $BASH_IT/${file_type}/available/*; do
+      filename="$(basename ${src})"
+      [ ${filename:0:1} = "_" ] && continue
+      dest="${BASH_IT}/${file_type}/enabled/${filename}"
+      if [ ! -e "${dest}" ]; then
+          ln -s "${src}" "${dest}"
+      else
+          echo "File ${dest} exists, skipping"
+      fi
+  done
 }
 
 function load_some() {