Spelling, separate Course struct from SearchResults

Separating the course struct will be useful for storing classes by CRN later on

README.md

@@ -53,6 +53,7 @@ The follow features, JSON, and more require validation & analysis:
   - AFF vs AIN vs AHB etc.
 - Do CRNs repeat between years?
 - Check whether partOfTerm is always filled in, and it's meaning for various class results.
+- Check which API calls are affected by change in term/sessionID term select
 
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