Updated release notes to include Issue 53 description.
Updated release notes to include Issue 53 description.

lshift/diffa,0x6e6562/diffa,aprescott/diffa,0x6e6562/diffa,aprescott/diffa,aprescott/diffa,lshift/diffa,0x6e6562/diffa,lshift/diffa,0x6e6562/diffa,lshift/diffa,lshift/diffa,aprescott/diffa