Add experimental tointeger() and todouble() SQL functions.
Add more tests.
Increase strictness of the new experimental functions and add more tests.
Rename the experimental todouble() function to toreal(), update comments.
Merge updates from trunk.
Experimental changes to support a Win32 VSIX package flavor.
Merge updates from trunk.
Merge updates from trunk.
Merge in the latest changes from trunk.  Simplify the implementation of the
tointeger() and toreal() functions.  Fix test cases and put unambiguous
labels on all testcase names.
Merge updates from trunk.
Add tointeger() and toreal() SQL functions.
Additional performance improvements in sqlite3BtreeNext() and
sqlite3BtreePrevious().
Performance improvement to SQL function calls in the VDBE.
Performance optimizations in the VDBE and especially to the OP_Next and
related opcodes.
Fix compiler warnings and boundary cases for the tointeger() and toreal()
functions.
Add test cases for tointeger() and toreal() functions.  Fixes for several tests.
Merge updates from trunk.
Fix boundary case for the toreal() SQL function.
Merge updates from trunk.
Prevent the implementation of the toreal() SQL function from being 'optimized' by MSVC.