sl/symproc: adjust alignment in trimRangesIfPossible()
sl/intrange: support unsigned mask in operator&=
sl/symproc: improve encoding of unsigned numbers
Revert "sl/config.h: decrease SE_MAX_CALL_DEPTH to 0x10"

This reverts commit 83ef608faefd39e7e9620ddb18b6e758b96f4a30.