flatwhatson/guile-prescheme: A port of Pre-Scheme from Scheme 48 to Guile

Andrew Whatson c1166c1d1b Review node/variable interface imports		2 gadi atpakaļ
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cps.scm	c1166c1d1b Review node/variable interface imports	2 gadi atpakaļ
jump.scm	c1166c1d1b Review node/variable interface imports	2 gadi atpakaļ
top.scm	75440e2d5c Port the rest of the front interface	2 gadi atpakaļ