fix(parser): Improve detection of ignorable cases #486
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Unsure why this case is here and it causes difficulties
To allow `\\` to start a token, we couldn't let it end a token. By switching the termiantor to a peek, we can now make it end a token **and** start a token, allowing us to work better with windows paths. Fixes crate-ci#481
Previously, we bailed out if the string is too short (<90) and there weren't non-alpha-base64 bytes present. What we ignored were the padding bytes. We key off of padding bytes to detect that a string is in fact base64 encoded. Like the other cases, there can be false positives but those strings should show up elsewhere or the compiler will fail. This was called out in crate-ci#485
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/,_,., etc before or after natively ignored item (guid, hash, etc) causes it to be spell checked #481