Update sqlite3

SquiLu-ext/sqlite3.h

@@ -123,7 +123,7 @@ extern "C" {
 */
 #define SQLITE_VERSION        "3.17.0"
 #define SQLITE_VERSION_NUMBER 3017000
-#define SQLITE_SOURCE_ID      "2017-01-11 21:03:53 7ae6104a3e0d1d2cacfe2be732f0220a53908132"
+#define SQLITE_SOURCE_ID      "2017-01-28 20:46:37 4fe879d4b5da6ae0688a7a99004683a234966597"
 
 /*
 ** CAPI3REF: Run-Time Library Version Numbers
@@ -591,7 +591,7 @@ SQLITE_API int sqlite3_exec(
 ** file that were written at the application level might have changed
 ** and that adjacent bytes, even bytes within the same sector are
 ** guaranteed to be unchanged.  The SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN
-** flag indicate that a file cannot be deleted when open.  The
+** flag indicates that a file cannot be deleted when open.  The
 ** SQLITE_IOCAP_IMMUTABLE flag indicates that the file is on
 ** read-only media and cannot be changed even by processes with
 ** elevated privileges.
@@ -741,6 +741,9 @@ struct sqlite3_file {
 ** <li> [SQLITE_IOCAP_ATOMIC64K]
 ** <li> [SQLITE_IOCAP_SAFE_APPEND]
 ** <li> [SQLITE_IOCAP_SEQUENTIAL]
+** <li> [SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN]
+** <li> [SQLITE_IOCAP_POWERSAFE_OVERWRITE]
+** <li> [SQLITE_IOCAP_IMMUTABLE]
 ** </ul>
 **
 ** The SQLITE_IOCAP_ATOMIC property means that all writes of
@@ -5454,7 +5457,7 @@ SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*);
 ** ^The update hook is not invoked when [WITHOUT ROWID] tables are modified.
 **
 ** ^In the current implementation, the update hook
-** is not invoked when duplication rows are deleted because of an
+** is not invoked when conflicting rows are deleted because of an
 ** [ON CONFLICT | ON CONFLICT REPLACE] clause.  ^Nor is the update hook
 ** invoked when rows are deleted using the [truncate optimization].
 ** The exceptions defined in this paragraph might change in a future
@@ -6236,6 +6239,12 @@ typedef struct sqlite3_blob sqlite3_blob;
 ** [database connection] error code and message accessible via 
 ** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. 
 **
+** A BLOB referenced by sqlite3_blob_open() may be read using the
+** [sqlite3_blob_read()] interface and modified by using
+** [sqlite3_blob_write()].  The [BLOB handle] can be moved to a
+** different row of the same table using the [sqlite3_blob_reopen()]
+** interface.  However, the column, table, or database of a [BLOB handle]
+** cannot be changed after the [BLOB handle] is opened.
 **
 ** ^(If the row that a BLOB handle points to is modified by an
 ** [UPDATE], [DELETE], or by [ON CONFLICT] side-effects
@@ -6259,6 +6268,10 @@ typedef struct sqlite3_blob sqlite3_blob;
 **
 ** To avoid a resource leak, every open [BLOB handle] should eventually
 ** be released by a call to [sqlite3_blob_close()].
+**
+** See also: [sqlite3_blob_close()],
+** [sqlite3_blob_reopen()], [sqlite3_blob_read()],
+** [sqlite3_blob_bytes()], [sqlite3_blob_write()].
 */
 SQLITE_API int sqlite3_blob_open(
   sqlite3*,
@@ -6274,11 +6287,11 @@ SQLITE_API int sqlite3_blob_open(
 ** CAPI3REF: Move a BLOB Handle to a New Row
 ** METHOD: sqlite3_blob
 **
-** ^This function is used to move an existing blob handle so that it points
+** ^This function is used to move an existing [BLOB handle] so that it points
 ** to a different row of the same database table. ^The new row is identified
 ** by the rowid value passed as the second argument. Only the row can be
 ** changed. ^The database, table and column on which the blob handle is open
-** remain the same. Moving an existing blob handle to a new row can be
+** remain the same. Moving an existing [BLOB handle] to a new row is
 ** faster than closing the existing handle and opening a new one.
 **
 ** ^(The new row must meet the same criteria as for [sqlite3_blob_open()] -