Properly restore pane with `top` program

Fixes #17

CHANGELOG.md

 # Changelog
 
 ### master
+- bugfix: when top is running the pane `$PWD` can't be saved. This was causing
+  issues during the restore and is now fixed.
 
 ### v0.2.0, 2014-08-29
 - bugfix: with vim 'session' strategy, if the session file does not exist - make

scripts/session_restorer.sh

@@ -75,6 +75,7 @@ restore_pane() {
 	local pane="$1"
 	echo "$pane" |
 	while IFS=$'\t' read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command pane_full_command; do
+		dir="$(remove_first_char "$dir")"
 		window_name="$(remove_first_char "$window_name")"
 		pane_full_command="$(remove_first_char "$pane_full_command")"
 		if window_exists "$session_name" "$window_number"; then
@@ -109,6 +110,7 @@ restore_all_pane_processes() {
 		local pane_full_command
 		awk 'BEGIN { FS="\t"; OFS="\t" } /^pane/ && $11 !~ "^:$" { print $2, $3, $7, $8, $11; }' $(last_session_path) |
 			while IFS=$'\t' read session_name window_number pane_index dir pane_full_command; do
+				dir="$(remove_first_char "$dir")"
 				pane_full_command="$(remove_first_char "$pane_full_command")"
 				restore_pane_process "$pane_full_command" "$session_name" "$window_number" "$pane_index" "$dir"
 			done

scripts/session_saver.sh

@@ -21,7 +21,7 @@ pane_format() {
 	format+="${delimiter}"
 	format+="#{pane_index}"
 	format+="${delimiter}"
-	format+="#{pane_current_path}"
+	format+=":#{pane_current_path}"
 	format+="${delimiter}"
 	format+="#{pane_active}"
 	format+="${delimiter}"