Crash when the server URL that includes "illegal characters"

Occurs in versions 0.4.1, 0.5.0, 0.6.0 and 0.7.0 beta!
This crash is similar to that reported here:

https://bugs.launchpad.net/tomdroid/+bug/902855

The App crashes if in the text box there is:

A) http: \\one.ubuntu.com\notes

     instead of

     http://one.ubuntu.com/notes

B) If there are ONLY "illegal characters"
     :
    \
    ^

The obtained exception stacktrace is reported below:

E/AndroidRuntime( 544): FATAL EXCEPTION: pool-10-thread-1
E/AndroidRuntime( 544): java.lang.IllegalArgumentException: Illegal character in path at index 1: \/api/1.0/
E/AndroidRuntime( 544): at java.net.URI.create(URI.java:776)
E/AndroidRuntime( 544): at org.apache.http.client.methods.HttpGet.<init>(HttpGet.java:75)
E/AndroidRuntime( 544): at org.tomdroid.sync.web.AnonymousConnection.get(AnonymousConnection.java:39)
E/AndroidRuntime( 544): at org.tomdroid.sync.web.OAuthConnection.getAuthorizationUrl(OAuthConnection.java:125)
E/AndroidRuntime( 544): at org.tomdroid.sync.web.SnowySyncService$1.run(SnowySyncService.java:103)
E/AndroidRuntime( 544): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
E/AndroidRuntime( 544): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
E/AndroidRuntime( 544): at java.lang.Thread.run(Thread.java:1019)
W/ActivityManager( 68): Force finishing activity org.tomdroid/.ui.Tomdroid
E/WindowManager( 544): Activity org.tomdroid.ui.Tomdroid has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@40529c38 that was originally added here
E/WindowManager( 544): android.view.WindowLeaked: Activity org.tomdroid.ui.Tomdroid has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@40529c38 that was originally added here
E/WindowManager( 544): at android.view.ViewRoot.<init>(ViewRoot.java:258)
E/WindowManager( 544): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
E/WindowManager( 544): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
E/WindowManager( 544): at android.view.Window$LocalWindowManager.addView(Window.java:424)
E/WindowManager( 544): at android.app.Dialog.show(Dialog.java:241)
E/WindowManager( 544): at android.app.ProgressDialog.show(ProgressDialog.java:107)
E/WindowManager( 544): at android.app.ProgressDialog.show(ProgressDialog.java:95)
E/WindowManager( 544): at org.tomdroid.ui.Tomdroid.startSyncing(Tomdroid.java:444)
E/WindowManager( 544): at org.tomdroid.ui.Tomdroid.onOptionsItemSelected(Tomdroid.java:391)
E/WindowManager( 544): at android.app.Activity.onMenuItemSelected(Activity.java:2205)
E/WindowManager( 544): at com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:748)
E/WindowManager( 544): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:143)
E/WindowManager( 544): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:855)
E/WindowManager( 544): at com.android.internal.view.menu.IconMenuView.invokeItem(IconMenuView.java:532)
E/WindowManager( 544): at com.android.internal.view.menu.IconMenuItemView.performClick(IconMenuItemView.java:122)
E/WindowManager( 544): at android.view.View$PerformClick.run(View.java:9080)
E/WindowManager( 544): at android.os.Handler.handleCallback(Handler.java:587)
E/WindowManager( 544): at android.os.Handler.dispatchMessage(Handler.java:92)
E/WindowManager( 544): at android.os.Looper.loop(Looper.java:123)
E/WindowManager( 544): at android.app.ActivityThread.main(ActivityThread.java:3683)
E/WindowManager( 544): at java.lang.reflect.Method.invokeNative(Native Method)
E/WindowManager( 544): at java.lang.reflect.Method.invoke(Method.java:507)
E/WindowManager( 544): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
E/WindowManager( 544): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
E/WindowManager( 544): at dalvik.system.NativeStart.main(Native Method)