fixed casper could not be used without the executable

@@ -263,24 +263,16 @@ phantom.loadCasper = function() {
     phantom.casperLoaded = true;
 };
 
-if (!phantom.casperLoaded) {
-    try {
-        phantom.loadCasper();
-    } catch (e) {
-        console.error("Unable to load casper environment: " + e);
-        phantom.exit();
-    }
-}
+phantom.initCasperCli = function() {
+    var fs = require("fs");
 
-var fs = require("fs");
-
-if (!!phantom.casperArgs.options.version) {
+    if (!!phantom.casperArgs.options.version) {
         console.log(phantom.casperVersion.toString());
         phantom.exit(0);
-} else if (phantom.casperArgs.get(0) === "test") {
+    } else if (phantom.casperArgs.get(0) === "test") {
         phantom.casperScript = fs.absolute(fs.pathJoin(phantom.casperPath, 'tests', 'run.js'));
         phantom.casperArgs.drop("test");
-} else if (phantom.casperArgs.args.length === 0 || !!phantom.casperArgs.options.help) {
+    } else if (phantom.casperArgs.args.length === 0 || !!phantom.casperArgs.options.help) {
         var phantomVersion = [phantom.version.major, phantom.version.minor, phantom.version.patch].join('.');
         var f = require("utils").format;
         console.log(f('CasperJS version %s at %s, using PhantomJS version %s',
@@ -288,23 +280,39 @@ if (!!phantom.casperArgs.options.version) {
                     phantom.casperPath, phantomVersion));
         console.log(fs.read(fs.pathJoin(phantom.casperPath, 'bin', 'usage.txt')));
         phantom.exit(0);
-}
+    }
+
 
-if (!phantom.casperScript) {
+    if (!phantom.casperScript) {
         phantom.casperScript = phantom.casperArgs.get(0);
-}
+    }
 
-if (!fs.isFile(phantom.casperScript)) {
+    if (!fs.isFile(phantom.casperScript)) {
         console.error('Unable to open file: ' + phantom.casperScript);
         phantom.exit(1);
-}
+    }
 
-// filter out the called script name from casper args
-phantom.casperArgs.drop(phantom.casperScript);
 
-// passed casperjs script execution
-try {
+    // filter out the called script name from casper args
+    phantom.casperArgs.drop(phantom.casperScript);
+
+    // passed casperjs script execution
+    try {
         new Function(phantom.getScriptCode(phantom.casperScript))();
-} catch (e) {
+    } catch (e) {
         phantom.processScriptError(e, phantom.casperScript);
+    }
+};
+
+if (!phantom.casperLoaded) {
+    try {
+        phantom.loadCasper();
+    } catch (e) {
+        console.error("Unable to load casper environment: " + e);
+        phantom.exit();
+    }
+}
+
+if (true === phantom.casperArgs.get('cli')) {
+    phantom.initCasperCli();
 }