bump version, rebuild phpbrew and completion files

bump version, rebuild phpbrew

bump version to 1.19.4

Update package.xml

bumps version && regenerates phar

bumps version and regenerates phar

Fix changelog versino

Checking in changes prior to tagging of version 1.18.4.

Checking in changes prior to tagging of version 1.18.3.

Checking in changes prior to tagging of version 1.18.2.