parser: add simple parser and tests

src/Phsyche.package/Phsyche.class/README.md

@@ -0,0 +1 @@
+I’m a simple Lisp interpreter.

src/Phsyche.package/Phsyche.class/instance/parse..st

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+as yet unclassified
+parse: aProgramString
+	aProgramString ifEmpty: [ ^ #() ].
+	^ (Scanner new scanTokens: aProgramString) first

src/Phsyche.package/Phsyche.class/properties.json

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+{
+	"category" : "Phsyche",
+	"classinstvars" : [
+		 ],
+	"classvars" : [
+		 ],
+	"commentStamp" : "VeitHeller 4/30/2018 16:32",
+	"instvars" : [
+		"env" ],
+	"name" : "Phsyche",
+	"pools" : [
+		 ],
+	"super" : "Object",
+	"type" : "normal" }