Prototype 0.0.2

What's Changed

• [CHORE] increase version to 0.0.2 by @XanatosX in #34
• [FEATURE] improve unit spawn by @XanatosX in #35
• [BUGFIX] projectiles removed with entity by @XanatosX in #36
• [FEATURE] start adding popup windows for tower by @XanatosX in #37
• [BUGFIX] fix enemy navigation collision by @XanatosX in #38
• Prototype 0.0.2 by @XanatosX in #39

Full Changelog: 0.0.1...0.0.2