Changed SysAlias to SysSynonym as that's less likely to be confused with package aliasing. Expanded the support for iterating over synonyms - although not using that yet.
Changed the basis of Iterator to be more C++ like.
Finishing the synonyms work. This change fixes simplify's treatment of synonyms.
Fix to ensure a tidy exit on error for the command-line loop.
Disabled the old method of handling the syntax from AppContexts.
Merge branch 'development'