change some uint64_t to uint32_t
Revert "change some uint64_t to uint32_t"

This reverts commit 8e328696128c9c5f736e57300b6cfc780e37ea2f.
change some uint64_t to uint32_t in ClientSocket
Merge commit 'b8f5117d96aa042cd7c0d8fad0e48049f23fff2d' into PIC18_master