diff --git a/lib/server/main.js b/lib/server/main.js
index 6bc1a51c..3aca2373 100644
--- a/lib/server/main.js
+++ b/lib/server/main.js
@@ -12,7 +12,8 @@
         ext,
         path, fs, zlib, url,
         
-        OK, FILE_NOT_FOUND, MOVED_PERMANENTLY,
+        OK, FILE_NOT_FOUND, MOVED_PERMANENTLY = 301,
+        REQUEST, RESPONSE,
         
         Config = {
             server  : true,
@@ -24,10 +25,9 @@
     
     exports.OK                  = OK                = 200;
     exports.FILE_NOT_FOUND      = FILE_NOT_FOUND    = 404;
-    exports.MOVED_PERMANENTLY   = MOVED_PERMANENTLY = 301;
     
-    exports.REQUEST                         = 'request';
-    exports.RESPONSE                        = 'response';
+    exports.REQUEST     = REQUEST           = 'request';
+    exports.RESPONSE    = RESPONSE          = 'response';
     
     /* Native Modules*/
     exports.crypto                          = require('crypto'),
@@ -175,11 +175,11 @@
      * https://developers.google.com/speed/docs/best-practices/caching?hl=ru#LeverageProxyCaching
      */
     function generateHeaders(pParams){
-        var lRet    = Util.checkObjTrue(pParams, ['name']),
-            p       = pParams;
+        var lRet    = Util.checkObjTrue(pParams, ['name']);
         
         if(lRet){
-            var lExt                = Util.getExtension(p.name),
+            var p                   = pParams,
+                lExt                = Util.getExtension(p.name),
                 lType               = ext[lExt] || 'text/plain',
                 lContentEncoding    = '';
             
@@ -198,10 +198,8 @@
                 'Vary': 'Accept-Encoding'
             };
             
-            if( !Util.strCmp(lExt, '.appcache') && exports.config.cache){
-                var lCacheControl = 31337 * 21;
-                lRet['cache-control']       = 'max-age=' + lCacheControl;
-            }
+            if( !Util.strCmp(lExt, '.appcache') && p.cache)
+                lRet['cache-control']       = 'max-age=' + 31337 * 21;
             
             if(p.gzip)
                 lRet['content-encoding']    = 'gzip';
@@ -218,37 +216,36 @@
      * @param pGzip - данные сжаты gzip'ом
      */
     function sendFile(pParams){
-        var lRet,
-            lName, lReq, lRes, lGziped;
+        var lRet = checkParams(pParams);
         
-        if(pParams){
-            lName   = pParams.name,
-            lReq    = pParams.request,
-            lRes    = pParams.response;
-            lGziped = pParams.gziped;
-        }
-        if(lName && lRes && lReq){
-            var lGzip   = isGZIP(lReq),
+        if(lRet){
+            var p       = pParams,
+                lGzip   = isGZIP(p.request) && p.gzip,
                 
-                lReadStream = fs.createReadStream(lName, {
+                lReadStream = fs.createReadStream(p.name, {
                     'bufferSize': 4 * 1024
                 });
             
             lReadStream.on('error', function(pError){
-                lRes.writeHead(FILE_NOT_FOUND, 'OK');
-                lRes.end(String(pError));
+                p.response.writeHead(FILE_NOT_FOUND, 'OK');
+                p.response.end(String(pError));
             });
             
-            lRes.writeHead(OK, generateHeaders({
-                name    : lName,
+            p.response.writeHead(OK, generateHeaders({
+                name    : p.name,
                 gzip    : lGzip,
-                query   : getQuery(lReq)
+                query   : getQuery(p.request)
             }) );
             
-            if (lGzip && !lGziped)
-                lReadStream = lReadStream.pipe( zlib.createGzip() );
+            var lZipStream;
             
-            lReadStream.pipe(lRes);
+            if (lGzip && !p.gziped)
+                lZipStream = lReadStream.pipe( zlib.createGzip() );
+            else
+                lZipStream = lReadStream;
+            
+            
+            lZipStream.pipe(p.response);
             
             lRet = true;
         }
@@ -264,8 +261,7 @@
      * @param pName     - имя отсылаемого файла
      */
     function sendResponse(pParams, pData){
-         var lRet = Util.checkObjTrue(pParams,
-            ['name', 'request', 'response']);
+        var lRet = checkParams(pParams);
         
         if(lRet){
             var p = pParams;
@@ -309,7 +305,7 @@
      */
     function redirect(pParams){
         var lRet = Util.checkObjTrue(pParams,
-            ['response']);
+            [RESPONSE]);
         
         if(lRet){
             var p = pParams;
@@ -319,9 +315,12 @@
         }
     }
     
+    
+    /**
+     * send error response
+     */
     function sendError(pParams, pError){
-        var lRet = Util.checkObjTrue(pParams,
-            ['name', 'request', 'response']);
+        var lRet = checkParams(pParams);
         
         if(lRet){
             var p       = pParams;
@@ -364,7 +363,7 @@
     }
     
     function checkParams(pParams, pAdditional){
-        var lRet = Util.checkObjTrue( pParams, ['name', 'request', 'response'] );
+        var lRet = Util.checkObjTrue( pParams, ['name', REQUEST, RESPONSE] );
         
         if(lRet && pAdditional)
             lRet = Util.checkObjTrue( pParams, pAdditional);