Upgrade dependencies

Improve example (fix coding style, fix Buffer usage)
Fix coding style in lib/pcsclite.js

.idea/dictionaries/pokusew.xml

@@ -0,0 +1,7 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="pokusew">
+    <words>
+      <w>pcsclite</w>
+    </words>
+  </dictionary>
+</component>

.idea/jsLibraryMappings.xml

@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="JavaScriptLibraryMappings">
-    <file url="file://$PROJECT_DIR$" libraries="{node-pcsclite/node_modules}" />
-    <includedPredefinedLibrary name="ECMAScript 6" />
     <includedPredefinedLibrary name="Node.js Core" />
   </component>
 </project>

.idea/misc.xml

@@ -3,7 +3,4 @@
   <component name="JavaScriptSettings">
     <option name="languageLevel" value="ES6" />
   </component>
-  <component name="SvnConfiguration">
-    <configuration>$USER_HOME$/.subversion</configuration>
-  </component>
 </project>