# they had humbled themselves

"the princes of Israel and the king had humbled themselves"

# the word of Yahweh came ... saying

"Yahweh spoke this message ... and he said" 

# I will deliver them to some extent

Yahweh will permit Shishak to attack Jerusalem, but he will deliver them from total destruction or that Yahweh will deliver the people of Jerusalem before Shishak can completely destroy the city.

# my anger will not pour out on Jerusalem

"I will not express my anger against Jerusalem" 

# by means of Shishak's hand

"by means of Shishak"