diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000000..75ee422162
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,4 @@
+## Contribution guidelines
+- Try to keep it close to original design. Key idea here being zero configuration. So automate by going out of the way.
+- Tests to cover new functionality.
+- If the issue is a major or large change. Please create a PR issue before working on it.
diff --git a/README.md b/README.md
index 9072e0842a..c0b4498d7e 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,8 @@ Hence this.
 
 # Setup and Usage
 
+xmysql requires node >= 7.6.0
+
 ```
 npm install -g xmysql
 ```
@@ -170,6 +172,9 @@ By default 20 records and max of 100 are returned per GET request on a table.
 /api/payments?_p=2&_size=50
 ```
 
+When _size is greater than 100 - number of records defaults to 100 (i.e maximum)
+
+When _size is less than or equal to 0 - number of records defaults to 20 (i.e minimum)
 
 ## Order by / Sorting 
 
diff --git a/lib/util/cmd.helper.js b/lib/util/cmd.helper.js
index d70b949e82..2b4e50940a 100644
--- a/lib/util/cmd.helper.js
+++ b/lib/util/cmd.helper.js
@@ -20,6 +20,7 @@ program
   .option('-d, --database <n>', 'database schema name')
   .option('-r, --ipAddress <n>', 'IP interface of your server / locahost by default')
   .option('-n, --portNumber <n>', 'port number for app / 3000 by default')
+  .option('-o, --port <n>', 'port number for mysql / 3306 by default')
   .option('-s, --storageFolder <n>', 'storage folder / current working dir by default / available only with local')
   .option('-i, --ignoreTables <n>', 'comma separated table names to ignore')
   .option('-a, --apiPrefix <n>', 'api url prefix / "/api/" by default')
@@ -53,6 +54,7 @@ exports.handle = program => {
   /**************** START : default values ****************/
   program.ipAddress = program.ipAddress || 'localhost';
   program.portNumber = program.portNumber || 3000;
+  program.port = program.port || 3306;
   program.user = program.user || 'root';
   program.password = program.password || '';
   program.host = program.host || 'localhost';
diff --git a/lib/xapi.js b/lib/xapi.js
index 032fde41b0..66d952010a 100644
--- a/lib/xapi.js
+++ b/lib/xapi.js
@@ -148,7 +148,7 @@ class Xapi {
 
       stat.apis += resources[j]['routes'].length
 
-      // iterate over rach routes in resource and map function
+      // iterate over each routes in resource and map function
       for (var i = 0; i < routes.length; ++i) {
 
         switch (routes[i]['routeType']) {
diff --git a/lib/xsql.js b/lib/xsql.js
index e590380cb9..f0089871da 100644
--- a/lib/xsql.js
+++ b/lib/xsql.js
@@ -193,10 +193,15 @@ class Xsql {
     reqParams._index = 0;
     reqParams._len = 20;
 
-    if ('_size' in reqParams && parseInt(reqParams._size) < 100) {
-      reqParams._len = parseInt(reqParams._size)
+    if('_size' in reqParams) {
+      if (parseInt(reqParams._size) > 0 && parseInt(reqParams._size) <= 100) {
+        reqParams._len = parseInt(reqParams._size)
+      } else if (parseInt(reqParams._size) > 100) {
+        reqParams._len = 100
+      }
     }
 
+
     if ('_p' in reqParams && parseInt(reqParams._p) > 0) {
       reqParams._index = (parseInt(reqParams._p) - 1) * reqParams._len;
     }
diff --git a/package.json b/package.json
index 43a870f994..78a759ff10 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xmysql",
-  "version": "0.4.4",
+  "version": "0.4.5",
   "description": "One command to generate REST APIs for any MySql database",
   "main": "index.js",
   "scripts": {
diff --git a/tests/tests.js b/tests/tests.js
index a97259ac5c..7f5cf1137b 100644
--- a/tests/tests.js
+++ b/tests/tests.js
@@ -241,6 +241,89 @@ describe('xmysql : tests', function () {
   });
 
 
+
+  it('GET ' + apiPrefix + 'customers should PASS', function (done) {
+
+    //http get an url
+    agent.get(apiPrefix + 'customers')      // api url
+      .expect(200) // 2xx for success and 4xx for failure
+      .end(function (err, res) {
+        // Handle /api/tables error
+        if (err) {
+          return done(err);
+        }
+
+        //validate response
+        res.body.length.should.be.equal(20);
+
+        return done();
+
+      });
+
+  });
+
+  it('GET ' + apiPrefix + 'customers?_size=100 should PASS', function (done) {
+
+    //http get an url
+    agent.get(apiPrefix + 'customers?_size=100')      // api url
+      .expect(200) // 2xx for success and 4xx for failure
+      .end(function (err, res) {
+        // Handle /api/tables error
+        if (err) {
+          return done(err);
+        }
+
+        //validate response
+        res.body.length.should.be.equal(100);
+
+        return done();
+
+      });
+
+  });
+
+  it('GET ' + apiPrefix + 'customers?_size=1000 should PASS', function (done) {
+
+    //http get an url
+    agent.get(apiPrefix + 'customers?_size=1000')      // api url
+      .expect(200) // 2xx for success and 4xx for failure
+      .end(function (err, res) {
+        // Handle /api/tables error
+        if (err) {
+          return done(err);
+        }
+
+        //validate response
+        res.body.length.should.be.equal(100);
+
+        return done();
+
+      });
+
+  });
+
+  it('GET ' + apiPrefix + 'customers?_size=-1 should PASS', function (done) {
+
+    //http get an url
+    agent.get(apiPrefix + 'customers?_size=-1')      // api url
+      .expect(200) // 2xx for success and 4xx for failure
+      .end(function (err, res) {
+        // Handle /api/tables error
+        if (err) {
+          return done(err);
+        }
+
+        //validate response
+        res.body.length.should.be.equal(20);
+
+        return done();
+
+      });
+
+  });
+
+
+
   it('GET ' + apiPrefix + 'payments?_p=2&_size=10 should PASS', function (done) {
 
     //http get an url