Merged from trunk 5549:5565

Merged from trunk 5549:5565

continue is only for loops (genone)

Make FEATURES=test imply USE=test (genone)

Add note that any value enables EPAUSE_IGNORE (genone)

Use isinstance(foo, basestring) so that it can work with unicode strings
too.

Use dict.get() to prevent a potential (bug unlikely) KeyError.

add support for user-customizable compression #9870 (SpankMan)

docs for grabdict (WarnerBro)

Commit unit tests, hey look THEY ARE BROKEN (WarnerBro)

get_operator tests (WarnerBro)

add some invalid operators to the test to denote that get_operator
doesn't validate them, also make sure some common mis-typed things are
tested (=> instead of >= fex) (WarnerBro)

take some advice and use AssertEqual/NotEqual (WarnerBro)

I owed brian harring 3.50, for th previous advice about
assertEqual/NotEqual, oh, add dep_getcpv tests too (WarnerBro)

getslot tests (WarnerBro)

elaborate a bit on isjustname() (WarnerBro)

isjustname tests (WarnerBro)

For bug #50738, inform the user about the location of the timestamp file
and that it can be removed to force sync.

svn path=/main/branches/prefix/; revision=5617