Problems when updating strings starting with +

[Tlapi]

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Latest release 2.2.4 has broken our build, when updating phone numbers like +420111222333, it treats this string as if increment is wanted.

I think, there should be optional parameter to enable the increment / decrement function and has it disabled by default.

[hareku]

The patch https://github.com/mavinoo/laravelBatch/pull/56 causes SQL syntax error if a column is not int type and its new value starts with a operator.

@WalterWoshid Would you have any ideas to deal with this problem?

[WalterWoshid]

@Tlapi @hareku #58