java.lang.IllegalArgumentException: Illegal character in query

[ape-report]

Affected version: v1.9.14 from Google Play Store.
The app crashes immediately if one attempts to login into Appeak with an invalid user name, e.g., . Iy..

// java.lang.RuntimeException: An error occurred while executing doInBackground()
//  at android.os.AsyncTask$3.done(AsyncTask.java:309)
//  at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354)
//  at java.util.concurrent.FutureTask.setException(FutureTask.java:223)
//  at java.util.concurrent.FutureTask.run(FutureTask.java:242)
//  at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
//  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
//  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
//  at java.lang.Thread.run(Thread.java:818)
// Caused by: java.lang.IllegalArgumentException: Illegal character in query at index 45: http://poker.appeak.se/playerInfo/?username=. Iy.
//  at java.net.URI.create(URI.java:733)
//  at org.apache.http.client.methods.HttpGet.<init>(HttpGet.java:80)
//  at eu.nullbyte.android.urllib.Urllib.openAsHttpResponse(Urllib.java:211)
//  at eu.nullbyte.android.urllib.Urllib.openAsHttpResponse(Urllib.java:190)
//  at eu.nullbyte.android.urllib.Urllib.openAsHttpResponse(Urllib.java:179)
//  at eu.nullbyte.android.urllib.Urllib.open(Urllib.java:168)
//  at eu.nullbyte.android.urllib.Urllib.open(Urllib.java:163)
//  at eu.nullbyte.android.urllib.Urllib.open(Urllib.java:154)
//  at com.liato.bankdroid.banking.banks.AppeakPoker.login(AppeakPoker.java:89)
//  at com.liato.bankdroid.banking.banks.AppeakPoker.update(AppeakPoker.java:106)
//  at com.liato.bankdroid.BankEditActivity$DataRetrieverTask.doInBackground(BankEditActivity.java:312)
//  at com.liato.bankdroid.BankEditActivity$DataRetrieverTask.doInBackground(BankEditActivity.java:287)
//  at android.os.AsyncTask$2.call(AsyncTask.java:295)
//  at java.util.concurrent.FutureTask.run(FutureTask.java:237)
//  ... 4 more