Add small SQL parser improvements #125

Job	Run time
Build sqlpage binaries (Linux)	7m 50s
Build sqlpage binaries (macOS & Windows) (windows-latest)	23m 7s
Build sqlpage binaries (macOS & Windows) (macos-latest)	10m 44s
Publish to crates.io	2m 45s
Build AWS Lambda Serverless zip image	14m 0s
Create Github Release	0s
Build sqlpage binaries (macOS & Windows) (windows-latest)	21m 56s
Build sqlpage binaries (macOS & Windows) (macos-latest)	10m 44s
Build sqlpage binaries (Linux)	7m 50s
Build AWS Lambda Serverless zip image	14m 0s
Publish to crates.io	2m 45s
Create Github Release	0s
Build sqlpage binaries (macOS & Windows) (windows-latest)	14m 51s
Build sqlpage binaries (macOS & Windows) (macos-latest)	10m 44s
Publish to crates.io	2m 45s
Build sqlpage binaries (Linux)	7m 50s
Build AWS Lambda Serverless zip image	14m 0s
Create Github Release	14s
	2h 46m 5s

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