- added equals method
- added equals method

- overrode stringPrefix with "LinkedList"


jvican/scala,shimib/scala,felixmulder/scala,lrytz/scala,lrytz/scala,jvican/scala,shimib/scala,shimib/scala,felixmulder/scala,scala/scala,martijnhoekstra/scala,slothspot/scala,jvican/scala,slothspot/scala,felixmulder/scala,scala/scala,scala/scala,jvican/scala,jvican/scala,scala/scala,lrytz/scala,felixmulder/scala,felixmulder/scala,scala/scala,martijnhoekstra/scala,shimib/scala,shimib/scala,shimib/scala,slothspot/scala,martijnhoekstra/scala,lrytz/scala,jvican/scala,martijnhoekstra/scala,felixmulder/scala,slothspot/scala,jvican/scala,martijnhoekstra/scala,martijnhoekstra/scala,slothspot/scala,slothspot/scala,scala/scala,felixmulder/scala,lrytz/scala,lrytz/scala,slothspot/scala