Feature/qrefactor

[TD-3666] <docs>: distinguish bytes & chars in length calculation.

[TD-3832]fix CQ start time issue

Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-3891] <test> fix the bug of TD-3891

[TD-3917] <test> add case to fix the bug of TD-3907

add test case for unsigned tag

[TD-3879]add stmt mode for taodemo go

enable apitest and add sleep time

* [TD-3913]<fix>: mips compile support.

* [TD-3912]<fix>: support mips64 compile.

add mips64 header file and modify tcrc32c.c for mips64.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-3897]timestamp not work with now filter

[TD-3907]filter timestamp