Purifying Process: Are we made perfect when we die and before we enter heaven or do we have to be purified before we can enter? [Isaiah 6, Zechariah 3, 1 John 1:9, Ephesians 2;6, 2 Corinthians 5:17, 1 Thessalonians 5:23, 1 John 1:8, Revelation 21:27]