Add query.py with two basic queries
implement more queries, stub out others
Fixup query handling
make line queries return filenames as well
Handle PUBLIC symbols properly
Modify STACK schema, add support for inserting/querying STACK WIN data
Rework how STACK data is stored
Tweak Module schema, refactor _add_module
some schema fiddling and refactoring
add support for STACK CFI [INIT] records
Merge pull request #6 from luser/queries

Handle all symbol data, provide query methods