#13 List implementation

[David Jencks]

I've implemented list support for tjdo, with a couple of tests. I can't
quite figure out the proper semantics for inverse lists, but if someone
wants to explain them implementation should be pretty easy.

[David Jencks]

New and modified classes for List implementation

[David Jencks]

Added set test

[David Jencks]

2nd version.

[David Jencks]

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I forgot to consider subList. New version relies on AbstractList for
implementation.

[toni]

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List IMP don't work with "TJDO_2_0_beta3-src.zip":

some lines:
...
..
StoreManager.java:114: cannot resolve symbol
symbol : method getValidateTables ()
location: class com.triactive.jdo.PersistenceManagerFactoryImpl
int validateTables = pmf.getValidateTables()
? Table.VALIDATE : 0;
...
..