typo
Merge pull request #183 from tmihalik/patch-1

typo
Update Migration.php

add missing case scenario for DOUBLE column type during generation
trim on version string

If you manualy change .phalcon/migration-version, migration run will only trigger last version beside number version placed in .phalcon/migration-version.

This fix resolve this issue by trimming all white spaces that can be left by manualy editing migration-version file
Merge pull request #186 from nyaaao/patch-1

Update Migration.php
Merge pull request #187 from nexik/patch-3

trim on version string