Bump version to 0.12.3

Resolves #79.

When tmux is compiled from source the version string is "master" which
the tmux-version command didn't deal with correctly.

.travis.yml

@@ -8,7 +8,7 @@ env:
 before_install:
   - sudo apt-get update
   - sudo apt-get install -y bc build-essential libevent-dev libncurses5-dev
-  - wget http://downloads.sourceforge.net/tmux/tmux-${TMUX_VERSION}.tar.gz
+  - wget https://github.com/tmux/tmux/releases/download/${TMUX_VERSION}/tmux-${TMUX_VERSION}.tar.gz
   - tar -zxf tmux-${TMUX_VERSION}.tar.gz
   - cd tmux-${TMUX_VERSION}
   - ./configure && make && sudo make install

lib/layout-helpers.sh

@@ -105,6 +105,14 @@ select_pane() {
   tmuxifier-tmux select-pane -t "$session:$window.$1"
 }
 
+balance_windows_vertical() {
+  tmuxifier-tmux select-layout even-vertical
+}
+
+balance_windows_horizontal() {
+  tmuxifier-tmux select-layout even-horizontal
+}
+
 # Send/paste keys to the currently active pane/window.
 #
 # Arguments:

libexec/tmuxifier-tmux-version

@@ -11,7 +11,7 @@ if calling-help "$@"; then
 
 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].
+equal to, less than, or greater than the <target-version>.
 
 The three possible outputs are \"=\", \"<\", and \">\"."
   exit
@@ -44,7 +44,16 @@ vercomp () {
 version=$(tmux -V)
 version=${version/tmux /}
 
-if [ -n "$1" ]; then
+if [ -z "$1" ]; then
+  echo "$version"
+  exit
+fi
+
+if [ "$version" == "master" ]; then
+  # When version string is "master", tmux was compiled from source, and we
+  # assume it's later than whatever the <target-version> is.
+  echo '>'
+else
   # Fix for "1.9a" version comparison, as vercomp() can only deal with
   # purely numeric version numbers.
   version=${version//+([a-zA-Z])/}
@@ -55,6 +64,4 @@ if [ -n "$1" ]; then
     1) echo '>';;
     2) echo '<';;
   esac
-else
-  echo "$version"
 fi

libexec/tmuxifier-version

@@ -13,4 +13,4 @@ Outputs Tmuxifier version."
   exit
 fi
 
-echo "0.12.2"
+echo "0.12.3"