[Change] Subclassing maltab.System to get <TAB> complete on properties

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>
[Add] delete() to properly erase obj, hjpeer and hgcontainer

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Change] KeyEvent: struct() with cell(0,1) is buggy, workaround

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] Accept name/value pairs, parse parent, set default properties

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] Accept name/value pairs, parse parent, set default properties

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
Merge branch 'System' of git@github.com:okomarov/passfield.git into System

Conflicts:
	passfield.m
[Add] help

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>
[Minor] constructor fix on properties list

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>
[Change] Revert to hgsetget

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>
[Cleanup] Delete test files

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>