StepTalk 0.10.0

StepTalk 0.10.0 was released. Get it from here. What is new:

• introduced new language management (STLanguageManager)
• introduced remote scripting (STRemoteConversation)
• new tool for semi-persistent environments: stenvironment
• added reading from stdin to stexec
• added remote scripting to stshell and stexec
• new conversation methods
• removed tools: stalk, stupdate_languages
• removed depreciated methods from STEnvironment
• removed class STLanguage