Merge pull request #20 from irrequietus/master

Forward slash and force overwrite checkpoint fixes.

lrztar

@@ -91,7 +91,7 @@ Notice:
                     "$i"
             return 1
         }
-        ((v_f)) && mkdir -p "$i" &> /dev/null
+        mkdir -p "$i" &> /dev/null
         [ ! -z "$s" ] && {
             lrzcat ${p[@]// /\\ } "$s" | tar x -C "$i"
             x=$?
@@ -118,6 +118,7 @@ Notice:
                     }
                 done
             fi
+            s="${s%/}"
             p+=( -o "$i/${s##*/}.tar.${vopt[v_S]}");
             ! ((v_f)) && [[ -e $i/${s##*/}.tar.${vopt[v_S]} ]] && {
                 printf "lrztar: %s exists, aborting\n" \