pgAdmin 4 commit: Merge pgcli code with version 1.10.3,which is used f

Merge pgcli code with version 1.10.3, which is used for auto complete feature.

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=7a3f3046df7fa0bdcfab4f0ce7011898ffd75bf6

Modified Files
--------------
docs/en_US/release_notes_3_3.rst                   |    1 +
.../query_tool_auto_complete_tests.py              |  156 +++
.../sqlautocomplete/sql/11_plus/functions.sql      |   32 +-
.../sqlautocomplete/sql/default/columns.sql        |   56 +-
.../sqlautocomplete/sql/default/foreign_keys.sql   |   27 +
.../sqlautocomplete/sql/default/functions.sql      |   32 +-
web/pgadmin/utils/sqlautocomplete/autocomplete.py  | 1409 ++++++++++++--------
web/pgadmin/utils/sqlautocomplete/counter.py       |  197 ---
.../utils/sqlautocomplete/function_metadata.py     |  151 ---
web/pgadmin/utils/sqlautocomplete/parseutils.py    |    4 +-
.../utils/sqlautocomplete/parseutils/__init__.py   |   22 +
.../utils/sqlautocomplete/parseutils/ctes.py       |  143 ++
.../utils/sqlautocomplete/parseutils/meta.py       |  151 +++
.../utils/sqlautocomplete/parseutils/tables.py     |  149 +++
.../utils/sqlautocomplete/parseutils/utils.py      |  140 ++
.../utils/sqlautocomplete/prioritization.py        |    6 +-
web/pgadmin/utils/sqlautocomplete/sqlcompletion.py |  521 ++++++++
17 files changed, 2192 insertions(+), 1005 deletions(-)