/ Changes On Branch int-real

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Changes In Branch int-real Excluding Merge-Ins

This is equivalent to a diff from 48889530a9 to 8b8ef445cc

In the sqlite3_value or Mem object, make the MEM_IntReal type completely independent from MEM_Int and MEM_Real. This helps avoid problems when inserting non-float values into a "REAL" column. (check-in: 5a8a23ee5f user: drh tags: trunk)
New testcase macros to ensure that MEM_IntReal is fully tested. (Closed-Leaf check-in: 8b8ef445cc user: drh tags: int-real)
Add the SQLITE_TESTCTRL_RESULT_INTREAL test-control and use it to create the intreal() SQL function in testfixture. Write a few simple tests to prove this all works. TH3 will hold most of the INTREAL tests, probably. (check-in: c983873132 user: drh tags: int-real)
Fix the ".open --hexdb" command in the CLI so that it works even with terminal input. (check-in: 9b5d943426 user: drh tags: trunk)
Make MEM_IntReal a completely independent type, meaning a floating point value stored as an integer. This fixes a problem with arithmetic within arguments to string functions on indexes of expressions. But it is a big change and needs lots of new testcase() macros for MC/DC and so it is initially put on this branch. (check-in: dba836e31c user: drh tags: int-real)
Ensure that the typeof() function always returns SQLITE_FLOAT for floating point values even when the value is stored as an integer to save space. (check-in: 48889530a9 user: drh tags: trunk)
Add options to wapptest.tcl similar to those supported by releasetest.tcl. Also add the -noui switch, for running without wapp altogether. (check-in: 005a169406 user: dan tags: trunk)

Changes to src/main.c.

Changes to src/sqlite.h.in.

Changes to src/sqliteInt.h.

Changes to src/test1.c.

Changes to src/vdbe.c.

Changes to src/vdbeapi.c.

Changes to src/vdbeaux.c.

Changes to src/vdbemem.c.

Changes to src/vdbetrace.c.

Added test/intreal.test.