* Use sysconf(3) to obtain max line size (_SC_LINE_MAX)
* realloc(3) line as needed; this fixes reading sfeed-generated TSV
  with potentially huge lines
* Code cleanup (get rid of UBYTE, UINT, etc)
* lib/makeversion:
	- Fix version output
	- Make version a proper text file (ending newline)
	- Synchronize with sled's lib/makeversion
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