title: Linker errors building iOS app with Simperium
body: <p>I'm getting linker errors when integrating Simperium into my app:</p>
  
  <blockquote>
    <p>ld: duplicate symbol _OBJC_CLASS_$_DDASLLogger in
    /Users/zulfi_shah/Documents/ContactsJournal-TestSimperium/SimpleList/Simperium.framework/Simperium(DDASLLogger.o) and
    /Users/zulfi_shah/Library/Developer/Xcode/DerivedData/SimpleList-cxdtxuubxyczhgcyxbixtjtvzkct/Build/Intermediates/SimpleList.build/Debug-iphonesimulator/SimpleList.build/Objects-normal/i386/DDASLLogger.o
    for architecture i386 clang: error: linker command failed with exit
    code 1 (use -v to see invocation)</p>
  </blockquote>
  
  <p>The issue seems to be with DDASLLogger which is included in CocoaHTTP package. I also saw the same issue with Reachability classes before. 
  How do I ensure Simperium framework plays nice with other libraries in my binary? 
  Thanks.</p>