Merge recent trunk enhancements, including the read-after-ROLLBACK change

and the addition of sqlite3_stmt_scanstatus() support, as well as various
minor bug fixes.

FossilOrigin-Name: f09055f3c4348264c7336f90646375f0d98b061e

main.mk

@@ -252,6 +252,7 @@ TESTSRC = \
   $(TOP)/src/test_autoext.c \
   $(TOP)/src/test_async.c \
   $(TOP)/src/test_backup.c \
+  $(TOP)/src/test_blob.c \
   $(TOP)/src/test_btree.c \
   $(TOP)/src/test_config.c \
   $(TOP)/src/test_demovfs.c \
@@ -286,6 +287,7 @@ TESTSRC = \
 TESTSRC += \
   $(TOP)/ext/misc/amatch.c \
   $(TOP)/ext/misc/closure.c \
+  $(TOP)/ext/misc/eval.c \
   $(TOP)/ext/misc/fileio.c \
   $(TOP)/ext/misc/fuzzer.c \
   $(TOP)/ext/misc/ieee754.c \