FEATURE: compiler now figures out the most general class taken transitively by containers and uses that instead of entity where applicable
FEATURE: MacOS application to run text-only interpreter in a terminal
BUGFIX: if the hero was already defined as something other than an actor, declaring it the compiler crashed
CLEANUP: corrected implementation of transitivity
CLEANUP: rebuilt Makefiles for building on Windows10 and 64-bit, continuous integration with Jenkins etc. etc. after move to new machines and other infrastructure
MAJOR FEATURE: the class of parameters and locals can now be asserted using If .. Isa .. allowing general restrictions in parameter restrictions and more specific access (attributes, scripts, containers) with the If-statement
FEATURE: Attributes inherited from entity can now be referenced for literals
FEATURE: Debugger now has a command to toggle a levels of trace off and on
FEATURE: Debugger now lists the programmer name of instances as well as the player name
FEATURE: Debugger can now list instances matching a wildcard pattern ("instance a*")
FEATURE: Compiler now flags all occurrences of a multiply defined identifier
BUGFIX: Out of memory error in interpreter for very large game fixed
BUGFIX: sometimes locating a location At itself crashed the interpreter
BUGFIX: comparing strings with '<>' did not work
BUGFIX: using a location identifier as a direction sometimes caused a compiler crash
BUGFIX: A DEBUG message would be printed in some games in some circumstances
"All those weirdly arranged parentheses, and semi-colons and strange curlicues hanging out in the middle of blank lines. Impossible. But when I looked at Alan I saw the light or, at least, English."