Minor tweaks and updates to a few help messages

libexec/tmuxifier-help

@@ -35,7 +35,7 @@ Some useful tmuxifier commands are:
    new-window     nw       Create new window layout and open it with \$EDITOR.
    edit-session   es       Edit specified session layout with \$EDITOR.
    edit-window    ew       Edit specified window layout with \$EDITOR.
-   commands                List all tmuxifier commands.
+   commands                List all tmuxifier commands (including internal).
    version                 Print Tmuxifier version.
    help                    Show this message.
 

libexec/tmuxifier-tmux

@@ -2,4 +2,13 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Provide tmuxifier help
+if calling-help "$@"; then
+  echo "usage: tmuxifier tmux [...]
+
+Wrapper command for Tmux executable allowing Tmuxifier to pass in any custom
+arguments specified in the TMUXIFIER_TMUX_OPTS environment variable."
+  exit
+fi
+
 tmux $TMUXIFIER_TMUX_OPTS "$@"

libexec/tmuxifier-tmux-version

@@ -9,10 +9,9 @@ source "$TMUXIFIER/lib/util.sh"
 if calling-help "$@"; then
   echo "usage: tmuxifier tmux-version [target-version]
 
-Outputs current Tmux version. If given optional target-version it uses the
-compare-versions command to output one of three possible characters indicating
-if the current Tmux version is equal to, less, or higher version than the
-the [target-version].
+Outputs current Tmux version. If given optional target-version it outputs one
+of three possible characters indicating if the current Tmux version number is
+equal to, less than, or greater than the [target-version].
 
 The three possible outputs are \"=\", \"<\", and \">\"."
   exit