Added support for libzip v0.10
Bug Fix: undefined functions in callback caused crash.
Bug fix: Handle XML export if base doesn't exist
- clean up linkers for unix: we only use lz (mccp decompression) and lzip (packages/modules)
Feature Addition: Any variant of a direction (numeric, long, short) can be provided as an argument
Bug fix: search wasn't showing variables value when clicked
.zip package install now properly creates subdirectories
Bug fix: empty folder included with exported packages
Fixed bug with source editor being read only after selecting a read only variable
Fixed AStar implementation to use distance heuristic and build correct graph
Unsaveable & uneditable variables changed to allow highlighting and selecting
JSON decoder error fixed by changing stack indexing to -1 from 1
Variable search made more efficient
getExitStubs fixed to return nil, getExitStubs1 added which indexes at 1
Bugfix of ausgaengeBestimmen and incompatible #defines
Tidy: Removal of compilation warnings following cherry-picking from Chris/Mudlet2

Signed-off-by: Stephen Lyons <slysven@virginmedia.com>