/sqlite3cc

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2 by edam
- further initial development
1
- turn transaction in to basic_transaction and create transaction, exclusive_transaction and perhaps recursive_transaction?
2
- expand sqlite_error - perhaps use boost::system_error (see boost/asio/error.hpp for an example of extending system_error)
3 by edam
- rewrote transaction classes and added transaction_guard
3
- see if we can #include "sqlite.h" in to a namespace. Cons: no easy access to real sqlite stuff. Pros: can't access database::_Handle anyway, so Cons don't matter and we better encapsulate the library
6 by edam
- fixed .am files so the library gets built!
4
- fix "make check"