Updated dependencies (Bootstrap 3.4, Stopwatch 4)

composer.json

@@ -26,13 +26,13 @@
 	},
 	"require"    : {
 		"php"                : "^7.1.3",
-		"composer/installers": "~1.0",
-		"symfony/stopwatch"  : "^3.4.4",
-		"mustache/mustache"  : "~2.4",
+		"composer/installers": "^1.6",
+		"symfony/stopwatch"  : "^4.2.1",
+		"mustache/mustache"  : "^2.12",
 		"pimple/pimple"      : "^3.2.3"
 	},
 	"require-dev": {
-		"twbs/bootstrap": "~3.2",
+		"twbs/bootstrap": "^3.4",
 		"brain/monkey"  : "^2.2",
 		"pds/skeleton": "^1.0"
 	},
@@ -56,6 +56,7 @@
 		}
 	},
 	"scripts": {
+		"phan" : "phan --config-file=config/phan.php --allow-polyfill-parser",
 		"psalm": "psalm --config=config/psalm.xml"
 	}
 }