refactor(context): PantherContext improved

doc(javascript): fix on wait steps

refactor(driver): 0.4

fix(driver): const visibility fixed

Create PantherClient instead of ChromeClient

fix(driver): fix on multiple select

feat(driver): additional client

fix(doc): README.md

doc(readme): fix on session driver

feat(driver): support for additional client started

refactor(core): namespace moved

init