Fix panic when parsing improper scientific notation. (#700) #1072

Job	Run time
Check documentation	1m 4s
Check minimum rust version	2m 38s
Check file formatting and style	1m 10s
Dependency Tests (stable)	2m 44s
Database Tests - PostgreSQL (stable)	2m 52s
Dependency Tests (beta)	2m 44s
Standard Tests (stable)	2m 28s
Database Tests - PostgreSQL (beta)	2m 56s
Standard Tests (beta)	2m 31s
Fuzz Tests	1m 5s
Database Tests - MySQL (stable)	1m 19s
Database Tests - MySQL (beta)	1m 18s
Database Tests	1s
Test	1s
Pass	1s
	24m 52s

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