README.md update
Medoo 0.8.2
[Fix] Allow escaped strings for BETWEEN condition

Actually Medoo refuses BETWEEN condition if values are non numeric whereas according to SQL refs we can do BETWEEN conditions for date fields. So we should allow escaped strings.
Merge pull request #15 from AnaelFavre/master

#15 Allow escaped strings for BETWEEN conditions [AnaelFavre]
add composer.json
composer.json fix
Medoo 0.8.5
Merge pull request #1 from catfan/master

pull