Add parameter 'timeout' to specify command timeout

[Miramac]

edge.func({ 
    source: '{the_sql_code}',
    timeout: 12 //command timeout in seconds, 0 means no limit
});

[z3ugma]

I'd love for this pull request to get accepted. I'm looking for a timeout property.

[agracio]

I have created a fork with support for commandTimeout: https://github.com/agracio/edge-ms-sql

[agracio]

Moved to https://github.com/agracio/edge-sql with support for commandTimeout